390535146 has 24 divisors (see below), whose sum is σ = 848683524. Its totient is φ = 129790080.

The previous prime is 390535133. The next prime is 390535183. The reversal of 390535146 is 641535093.

390535146 is a `hidden beast` number, since 3 + 90 + 53 + 514 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 390497121 + 38025 = 19761^2 + 195^2 .

It is a super-2 number, since 2×390535146² = 305035400522482632, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 390535146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26125 + ... + 38256.

Almost surely, 2^390535146 is an apocalyptic number.

390535146 is an abundant number, since it is smaller than the sum of its proper divisors (458148378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

390535146 is a wasteful number, since it uses less digits than its factorization.

390535146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64726 (or 64723 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 390535146 is about 19761.9620989415. The cubic root of 390535146 is about 730.9483801878.

The spelling of 390535146 in words is "three hundred ninety million, five hundred thirty-five thousand, one hundred forty-six".