630997488 has 60 divisors (see below), whose sum is σ = 1926459288. Its totient is φ = 191210880.

The previous prime is 630997487. The next prime is 630997559. The reversal of 630997488 is 884799036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630997487) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 197595 + ... + 200762.

Almost surely, 2^630997488 is an apocalyptic number.

It is an amenable number.

630997488 is an abundant number, since it is smaller than the sum of its proper divisors (1295461800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630997488 is a wasteful number, since it uses less digits than its factorization.

630997488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398382 (or 398373 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 630997488 is about 25119.6633735407. The cubic root of 630997488 is about 857.7140879885.

The spelling of 630997488 in words is "six hundred thirty million, nine hundred ninety-seven thousand, four hundred eighty-eight".