390523132 has 12 divisors (see below), whose sum is σ = 686276640. Its totient is φ = 194444096.

The previous prime is 390523117. The next prime is 390523163. The reversal of 390523132 is 231325093.

It is a self number, because there is not a number n which added to its sum of digits gives 390523132.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 203293 + ... + 205204.

It is an arithmetic number, because the mean of its divisors is an integer number (57189720).

Almost surely, 2^390523132 is an apocalyptic number.

It is an amenable number.

390523132 is a deficient number, since it is larger than the sum of its proper divisors (295753508).

390523132 is a wasteful number, since it uses less digits than its factorization.

390523132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408740 (or 408738 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 390523132 is about 19761.6581288110. The cubic root of 390523132 is about 730.9408847430.

The spelling of 390523132 in words is "three hundred ninety million, five hundred twenty-three thousand, one hundred thirty-two".