390335260 has 48 divisors (see below), whose sum is σ = 967034880. Its totient is φ = 129510720.

The previous prime is 390335227. The next prime is 390335261. The reversal of 390335260 is 62533093.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390335261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40630 + ... + 49309.

It is an arithmetic number, because the mean of its divisors is an integer number (20146560).

Almost surely, 2^390335260 is an apocalyptic number.

It is an amenable number.

390335260 is an abundant number, since it is smaller than the sum of its proper divisors (576699620).

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

390335260 is a wasteful number, since it uses less digits than its factorization.

390335260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89986 (or 89984 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 390335260 is about 19756.9041097030. The cubic root of 390335260 is about 730.8236528033.

The spelling of 390335260 in words is "three hundred ninety million, three hundred thirty-five thousand, two hundred sixty".