47438401 has 16 divisors (see below), whose sum is σ = 50319360. Its totient is φ = 44663760.

The previous prime is 47438389. The next prime is 47438407. The reversal of 47438401 is 10483474.

47438401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 47438401 - 2⁷ = 47438273 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47438407) 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 15 ways as a sum of consecutive naturals, for example, 264930 + ... + 265108.

It is an arithmetic number, because the mean of its divisors is an integer number (3144960).

Almost surely, 2^47438401 is an apocalyptic number.

It is an amenable number.

47438401 is a deficient number, since it is larger than the sum of its proper divisors (2880959).

47438401 is a wasteful number, since it uses less digits than its factorization.

47438401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 47438401 is about 6887.5540651236. The cubic root of 47438401 is about 362.0012031542.

The spelling of 47438401 in words is "forty-seven million, four hundred thirty-eight thousand, four hundred one".