390492502 has 4 divisors (see below), whose sum is σ = 585738756. Its totient is φ = 195246250.

The previous prime is 390492469. The next prime is 390492517. The reversal of 390492502 is 205294093.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97623124 + ... + 97623127.

It is an arithmetic number, because the mean of its divisors is an integer number (146434689).

Almost surely, 2^390492502 is an apocalyptic number.

390492502 is a deficient number, since it is larger than the sum of its proper divisors (195246254).

390492502 is a wasteful number, since it uses less digits than its factorization.

390492502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195246253.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 390492502 is about 19760.8831280386. The cubic root of 390492502 is about 730.9217742194.

The spelling of 390492502 in words is "three hundred ninety million, four hundred ninety-two thousand, five hundred two".