387607313 has 4 divisors (see below), whose sum is σ = 387677808. Its totient is φ = 387536820.

The previous prime is 387607309. The next prime is 387607321. The reversal of 387607313 is 313706783.

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 387607313 - 2² = 387607309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387607303) 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, 26231 + ... + 38252.

It is an arithmetic number, because the mean of its divisors is an integer number (96919452).

Almost surely, 2^387607313 is an apocalyptic number.

It is an amenable number.

387607313 is a deficient number, since it is larger than the sum of its proper divisors (70495).

387607313 is an equidigital number, since it uses as much as digits as its factorization.

387607313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70494.

The product of its (nonzero) digits is 63504, while the sum is 38.

The square root of 387607313 is about 19687.7452492661. The cubic root of 387607313 is about 729.1171619412.

The spelling of 387607313 in words is "three hundred eighty-seven million, six hundred seven thousand, three hundred thirteen".