38485905 has 16 divisors (see below), whose sum is σ = 62446464. Its totient is φ = 20236160.

The previous prime is 38485873. The next prime is 38485907. The reversal of 38485905 is 50958483.

It is not a de Polignac number, because 38485905 - 2⁵ = 38485873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38485907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17004 + ... + 19133.

It is an arithmetic number, because the mean of its divisors is an integer number (3902904).

Almost surely, 2^38485905 is an apocalyptic number.

It is an amenable number.

38485905 is a deficient number, since it is larger than the sum of its proper divisors (23960559).

38485905 is a wasteful number, since it uses less digits than its factorization.

38485905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36216.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 38485905 is about 6203.7009115527. The cubic root of 38485905 is about 337.6244588991.

The spelling of 38485905 in words is "thirty-eight million, four hundred eighty-five thousand, nine hundred five".