38740313 has 4 divisors (see below), whose sum is σ = 39102480. Its totient is φ = 38378148.

The previous prime is 38740309. The next prime is 38740327. The reversal of 38740313 is 31304783.

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 38740313 - 2² = 38740309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38740393) 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, 180923 + ... + 181136.

It is an arithmetic number, because the mean of its divisors is an integer number (9775620).

Almost surely, 2^38740313 is an apocalyptic number.

It is an amenable number.

38740313 is a deficient number, since it is larger than the sum of its proper divisors (362167).

38740313 is a wasteful number, since it uses less digits than its factorization.

38740313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362166.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 38740313 is about 6224.1716717970. The cubic root of 38740313 is about 338.3667721297.

The spelling of 38740313 in words is "thirty-eight million, seven hundred forty thousand, three hundred thirteen".