390069460 has 48 divisors (see below), whose sum is σ = 897220800. Its totient is φ = 141271040.

The previous prime is 390069457. The next prime is 390069521. The reversal of 390069460 is 64960093.

It is a congruent number.

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, 53091 + ... + 59989.

It is an arithmetic number, because the mean of its divisors is an integer number (18692100).

Almost surely, 2^390069460 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 390069460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448610400).

390069460 is an abundant number, since it is smaller than the sum of its proper divisors (507151340).

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

390069460 is a wasteful number, since it uses less digits than its factorization.

390069460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7176 (or 7174 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 390069460 is about 19750.1762017456. The cubic root of 390069460 is about 730.6577295950.

The spelling of 390069460 in words is "three hundred ninety million, sixty-nine thousand, four hundred sixty".