655484972 has 12 divisors (see below), whose sum is σ = 1154798400. Its totient is φ = 325542576.

The previous prime is 655484959. The next prime is 655485001. The reversal of 655484972 is 279484556.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 655484972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549308 + ... + 550499.

It is an arithmetic number, because the mean of its divisors is an integer number (96233200).

Almost surely, 2^655484972 is an apocalyptic number.

It is an amenable number.

655484972 is a deficient number, since it is larger than the sum of its proper divisors (499313428).

655484972 is a wasteful number, since it uses less digits than its factorization.

655484972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099960 (or 1099958 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 50.

The square root of 655484972 is about 25602.4407430229. The cubic root of 655484972 is about 868.6688463986.

The spelling of 655484972 in words is "six hundred fifty-five million, four hundred eighty-four thousand, nine hundred seventy-two".