38807313 has 4 divisors (see below), whose sum is σ = 51743088. Its totient is φ = 25871540.

The previous prime is 38807303. The next prime is 38807333. The reversal of 38807313 is 31370883.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31370883 = 3 ⋅10456961.

It is a cyclic number.

It is not a de Polignac number, because 38807313 - 2⁸ = 38807057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38807303) 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, 6467883 + ... + 6467888.

It is an arithmetic number, because the mean of its divisors is an integer number (12935772).

Almost surely, 2^38807313 is an apocalyptic number.

It is an amenable number.

38807313 is a deficient number, since it is larger than the sum of its proper divisors (12935775).

38807313 is a wasteful number, since it uses less digits than its factorization.

38807313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12935774.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 38807313 is about 6229.5515889990. The cubic root of 38807313 is about 338.5617242369.

The spelling of 38807313 in words is "thirty-eight million, eight hundred seven thousand, three hundred thirteen".