390501213 has 8 divisors (see below), whose sum is σ = 520793568. Its totient is φ = 260271504.

The previous prime is 390501157. The next prime is 390501247. The reversal of 390501213 is 312105093.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 390501213 - 2⁶ = 390501149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390501253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606 + ... + 27992.

It is an arithmetic number, because the mean of its divisors is an integer number (65099196).

Almost surely, 2^390501213 is an apocalyptic number.

It is an amenable number.

390501213 is a deficient number, since it is larger than the sum of its proper divisors (130292355).

390501213 is a wasteful number, since it uses less digits than its factorization.

390501213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31323.

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 390501213 is about 19761.1035369991. The cubic root of 390501213 is about 730.9272092467.

The spelling of 390501213 in words is "three hundred ninety million, five hundred one thousand, two hundred thirteen".