38531361 has 24 divisors (see below), whose sum is σ = 56881440. Its totient is φ = 23182720.

The previous prime is 38531359. The next prime is 38531377. The reversal of 38531361 is 16313583.

It is not a de Polignac number, because 38531361 - 2¹ = 38531359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38531351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64681 + ... + 65273.

It is an arithmetic number, because the mean of its divisors is an integer number (2370060).

Almost surely, 2^38531361 is an apocalyptic number.

It is an amenable number.

38531361 is a deficient number, since it is larger than the sum of its proper divisors (18350079).

38531361 is a wasteful number, since it uses less digits than its factorization.

38531361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797 (or 786 counting only the distinct ones).

The product of its digits is 6480, while the sum is 30.

The square root of 38531361 is about 6207.3634499681. The cubic root of 38531361 is about 337.7573302208.

The spelling of 38531361 in words is "thirty-eight million, five hundred thirty-one thousand, three hundred sixty-one".