390886275 has 48 divisors (see below), whose sum is σ = 699955200. Its totient is φ = 191337600.

The previous prime is 390886271. The next prime is 390886303. The reversal of 390886275 is 572688093.

It is not a de Polignac number, because 390886275 - 2² = 390886271 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (390886271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 185176 + ... + 187274.

It is an arithmetic number, because the mean of its divisors is an integer number (14582400).

Almost surely, 2^390886275 is an apocalyptic number.

390886275 is a deficient number, since it is larger than the sum of its proper divisors (309068925).

390886275 is a wasteful number, since it uses less digits than its factorization.

390886275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316 (or 2311 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 390886275 is about 19770.8440639240. The cubic root of 390886275 is about 731.1673790794.

The spelling of 390886275 in words is "three hundred ninety million, eight hundred eighty-six thousand, two hundred seventy-five".