390472 has 8 divisors (see below), whose sum is σ = 732150. Its totient is φ = 195232.

The previous prime is 390463. The next prime is 390479. The reversal of 390472 is 274093.

It can be written as a sum of positive squares in only one way, i.e., 352836 + 37636 = 594^2 + 194^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (390479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24397 + ... + 24412.

2³⁹⁰⁴⁷² is an apocalyptic number.

It is an amenable number.

390472 is a deficient number, since it is larger than the sum of its proper divisors (341678).

390472 is a wasteful number, since it uses less digits than its factorization.

390472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48815 (or 48811 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 390472 is about 624.8775880122. The cubic root of 390472 is about 73.0908982151.

The spelling of 390472 in words is "three hundred ninety thousand, four hundred seventy-two".