390786214 has 16 divisors (see below), whose sum is σ = 721451808. Its totient is φ = 154596672.

The previous prime is 390786203. The next prime is 390786229. The reversal of 390786214 is 412687093.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073407 + ... + 1073770.

It is an arithmetic number, because the mean of its divisors is an integer number (45090738).

Almost surely, 2^390786214 is an apocalyptic number.

390786214 is a deficient number, since it is larger than the sum of its proper divisors (330665594).

390786214 is a wasteful number, since it uses less digits than its factorization.

390786214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147199.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 390786214 is about 19768.3133827851. The cubic root of 390786214 is about 731.1049844756.

The spelling of 390786214 in words is "three hundred ninety million, seven hundred eighty-six thousand, two hundred fourteen".