390501265 has 32 divisors (see below), whose sum is σ = 603095040. Its totient is φ = 235569600.

The previous prime is 390501263. The next prime is 390501299. The reversal of 390501265 is 562105093.

It is not a de Polignac number, because 390501265 - 2¹ = 390501263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (390501263) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4425 + ... + 28294.

It is an arithmetic number, because the mean of its divisors is an integer number (18846720).

Almost surely, 2^390501265 is an apocalyptic number.

390501265 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

390501265 is a deficient number, since it is larger than the sum of its proper divisors (212593775).

390501265 is a wasteful number, since it uses less digits than its factorization.

390501265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32773.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 390501265 is about 19761.1048527151. The cubic root of 390501265 is about 730.9272416906.

The spelling of 390501265 in words is "three hundred ninety million, five hundred one thousand, two hundred sixty-five".