390850704 has 80 divisors (see below), whose sum is σ = 1149301440. Its totient is φ = 127100160.

The previous prime is 390850679. The next prime is 390850717. The reversal of 390850704 is 407058093.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6679 + ... + 28745.

It is an arithmetic number, because the mean of its divisors is an integer number (14366268).

Almost surely, 2^390850704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 390850704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574650720).

390850704 is an abundant number, since it is smaller than the sum of its proper divisors (758450736).

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

390850704 is a wasteful number, since it uses less digits than its factorization.

390850704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22125 (or 22113 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 390850704 is about 19769.9444612270. The cubic root of 390850704 is about 731.1451994452.

The spelling of 390850704 in words is "three hundred ninety million, eight hundred fifty thousand, seven hundred four".