390540315 has 32 divisors (see below), whose sum is σ = 689907456. Its totient is φ = 187064960.

The previous prime is 390540301. The next prime is 390540323. The reversal of 390540315 is 513045093.

It is not a de Polignac number, because 390540315 - 2¹³ = 390532123 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 564 + ... + 27953.

It is an arithmetic number, because the mean of its divisors is an integer number (21559608).

Almost surely, 2^390540315 is an apocalyptic number.

390540315 is a deficient number, since it is larger than the sum of its proper divisors (299367141).

390540315 is a wasteful number, since it uses less digits than its factorization.

390540315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28619.

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 390540315 is about 19762.0928800570. The cubic root of 390540315 is about 730.9516050410.

The spelling of 390540315 in words is "three hundred ninety million, five hundred forty thousand, three hundred fifteen".