630558892 has 12 divisors (see below), whose sum is σ = 1151455536. Its totient is φ = 301571600.

The previous prime is 630558839. The next prime is 630558913. The reversal of 630558892 is 298855036.

It is a Harshad number since it is a multiple of its sum of digits (46).

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, 3426859 + ... + 3427042.

It is an arithmetic number, because the mean of its divisors is an integer number (95954628).

Almost surely, 2^630558892 is an apocalyptic number.

It is an amenable number.

630558892 is a deficient number, since it is larger than the sum of its proper divisors (520896644).

630558892 is a wasteful number, since it uses less digits than its factorization.

630558892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853928 (or 6853926 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The square root of 630558892 is about 25110.9317230564. The cubic root of 630558892 is about 857.5153142638.

The spelling of 630558892 in words is "six hundred thirty million, five hundred fifty-eight thousand, eight hundred ninety-two".