38605897 has 6 divisors (see below), whose sum is σ = 42434714. Its totient is φ = 35096160.

The previous prime is 38605877. The next prime is 38605901. The reversal of 38605897 is 79850683.

It can be written as a sum of positive squares in only one way, i.e., 38489616 + 116281 = 6204^2 + 341^2 .

It is not a de Polignac number, because 38605897 - 2¹¹ = 38603849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38605877) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159408 + ... + 159649.

Almost surely, 2^38605897 is an apocalyptic number.

It is an amenable number.

38605897 is a deficient number, since it is larger than the sum of its proper divisors (3828817).

38605897 is a wasteful number, since it uses less digits than its factorization.

38605897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319079 (or 319068 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 38605897 is about 6213.3643865461. The cubic root of 38605897 is about 337.9749785990.

The spelling of 38605897 in words is "thirty-eight million, six hundred five thousand, eight hundred ninety-seven".