390272552 has 8 divisors (see below), whose sum is σ = 731761050. Its totient is φ = 195136272.

The previous prime is 390272503. The next prime is 390272567. The reversal of 390272552 is 255272093.

It can be written as a sum of positive squares in only one way, i.e., 385493956 + 4778596 = 19634^2 + 2186^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24392027 + ... + 24392042.

Almost surely, 2^390272552 is an apocalyptic number.

It is an amenable number.

390272552 is a deficient number, since it is larger than the sum of its proper divisors (341488498).

390272552 is a wasteful number, since it uses less digits than its factorization.

390272552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48784075 (or 48784071 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 390272552 is about 19755.3170564281. The cubic root of 390272552 is about 730.7845147010.

The spelling of 390272552 in words is "three hundred ninety million, two hundred seventy-two thousand, five hundred fifty-two".