390389202 has 72 divisors (see below), whose sum is σ = 986154624. Its totient is φ = 109336032.

The previous prime is 390389159. The next prime is 390389221. The reversal of 390389202 is 202983093.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 353383 + ... + 354485.

It is an arithmetic number, because the mean of its divisors is an integer number (13696592).

Almost surely, 2^390389202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390389202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493077312).

390389202 is an abundant number, since it is smaller than the sum of its proper divisors (595765422).

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

390389202 is a wasteful number, since it uses less digits than its factorization.

390389202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224 (or 1168 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 390389202 is about 19758.2692055757. The cubic root of 390389202 is about 730.8573164062.

The spelling of 390389202 in words is "three hundred ninety million, three hundred eighty-nine thousand, two hundred two".