390377875 has 8 divisors (see below), whose sum is σ = 487191744. Its totient is φ = 312302200.

The previous prime is 390377863. The next prime is 390377879. The reversal of 390377875 is 578773093.

It is not a de Polignac number, because 390377875 - 2¹⁷ = 390246803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (390377879) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1561387 + ... + 1561636.

It is an arithmetic number, because the mean of its divisors is an integer number (60898968).

Almost surely, 2^390377875 is an apocalyptic number.

390377875 is a deficient number, since it is larger than the sum of its proper divisors (96813869).

390377875 is an equidigital number, since it uses as much as digits as its factorization.

390377875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3123038 (or 3123028 counting only the distinct ones).

The product of its (nonzero) digits is 1111320, while the sum is 49.

The square root of 390377875 is about 19757.9825640170. The cubic root of 390377875 is about 730.8502478186.

The spelling of 390377875 in words is "three hundred ninety million, three hundred seventy-seven thousand, eight hundred seventy-five".