36531404 has 24 divisors (see below), whose sum is σ = 78683808. Its totient is φ = 14451840.

The previous prime is 36531401. The next prime is 36531409. The reversal of 36531404 is 40413563.

36531404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×36531404² = 2669086956422432, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (36531401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49817 + ... + 50544.

It is an arithmetic number, because the mean of its divisors is an integer number (3278492).

Almost surely, 2^36531404 is an apocalyptic number.

It is an amenable number.

36531404 is an abundant number, since it is smaller than the sum of its proper divisors (42152404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36531404 is a wasteful number, since it uses less digits than its factorization.

36531404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100385 (or 100383 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 36531404 is about 6044.1214415331. The cubic root of 36531404 is about 331.8094784368.

Adding to 36531404 its reverse (40413563), we get a palindrome (76944967).

The spelling of 36531404 in words is "thirty-six million, five hundred thirty-one thousand, four hundred four".