3404391487 has 4 divisors (see below), whose sum is σ = 3890733136. Its totient is φ = 2918049840.

The previous prime is 3404391479. The next prime is 3404391493. The reversal of 3404391487 is 7841934043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7841934043 = 677 ⋅11583359.

It is a cyclic number.

It is not a de Polignac number, because 3404391487 - 2³ = 3404391479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3404391587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243170814 + ... + 243170827.

It is an arithmetic number, because the mean of its divisors is an integer number (972683284).

Almost surely, 2^3404391487 is an apocalyptic number.

3404391487 is a deficient number, since it is larger than the sum of its proper divisors (486341649).

3404391487 is an equidigital number, since it uses as much as digits as its factorization.

3404391487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486341648.

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 3404391487 is about 58347.1634871825. The cubic root of 3404391487 is about 1504.3417152512.

The spelling of 3404391487 in words is "three billion, four hundred four million, three hundred ninety-one thousand, four hundred eighty-seven".