390486534 has 16 divisors (see below), whose sum is σ = 781631472. Its totient is φ = 130052448.

The previous prime is 390486487. The next prime is 390486553. The reversal of 390486534 is 435684093.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19549 + ... + 34104.

It is an arithmetic number, because the mean of its divisors is an integer number (48851967).

Almost surely, 2^390486534 is an apocalyptic number.

390486534 is an abundant number, since it is smaller than the sum of its proper divisors (391144938).

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

390486534 is a wasteful number, since it uses less digits than its factorization.

390486534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54871.

The product of its (nonzero) digits is 311040, while the sum is 42.

The square root of 390486534 is about 19760.7321220647. The cubic root of 390486534 is about 730.9180505769.

The spelling of 390486534 in words is "three hundred ninety million, four hundred eighty-six thousand, five hundred thirty-four".