655037984 has 12 divisors (see below), whose sum is σ = 1289606094. Its totient is φ = 327518976.

The previous prime is 655037983. The next prime is 655037987. The reversal of 655037984 is 489730556.

It can be written as a sum of positive squares in only one way, i.e., 448253584 + 206784400 = 21172^2 + 14380^2 .

It is not an unprimeable number, because it can be changed into a prime (655037983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10234937 + ... + 10235000.

Almost surely, 2^655037984 is an apocalyptic number.

It is an amenable number.

655037984 is a deficient number, since it is larger than the sum of its proper divisors (634568110).

655037984 is a wasteful number, since it uses less digits than its factorization.

655037984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20469947 (or 20469939 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 655037984 is about 25593.7098522274. The cubic root of 655037984 is about 868.4713474169.

The spelling of 655037984 in words is "six hundred fifty-five million, thirty-seven thousand, nine hundred eighty-four".