390264452 has 6 divisors (see below), whose sum is σ = 682962798. Its totient is φ = 195132224.

The previous prime is 390264451. The next prime is 390264467. The reversal of 390264452 is 254462093.

It can be written as a sum of positive squares in only one way, i.e., 370408516 + 19855936 = 19246^2 + 4456^2 .

It is not an unprimeable number, because it can be changed into a prime (390264451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48783053 + ... + 48783060.

It is an arithmetic number, because the mean of its divisors is an integer number (113827133).

Almost surely, 2^390264452 is an apocalyptic number.

It is an amenable number.

390264452 is a deficient number, since it is larger than the sum of its proper divisors (292698346).

390264452 is a wasteful number, since it uses less digits than its factorization.

390264452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97566117 (or 97566115 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 390264452 is about 19755.1120472651. The cubic root of 390264452 is about 730.7794589218.

The spelling of 390264452 in words is "three hundred ninety million, two hundred sixty-four thousand, four hundred fifty-two".