38492313 has 4 divisors (see below), whose sum is σ = 51323088. Its totient is φ = 25661540.

The previous prime is 38492291. The next prime is 38492323. The reversal of 38492313 is 31329483.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38492313 - 2⁸ = 38492057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38492323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6415383 + ... + 6415388.

It is an arithmetic number, because the mean of its divisors is an integer number (12830772).

Almost surely, 2^38492313 is an apocalyptic number.

It is an amenable number.

38492313 is a deficient number, since it is larger than the sum of its proper divisors (12830775).

38492313 is a wasteful number, since it uses less digits than its factorization.

38492313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12830774.

The product of its digits is 15552, while the sum is 33.

The square root of 38492313 is about 6204.2173559604. The cubic root of 38492313 is about 337.6431962998.

The spelling of 38492313 in words is "thirty-eight million, four hundred ninety-two thousand, three hundred thirteen".