630534888 has 64 divisors (see below), whose sum is σ = 1781208000. Its totient is φ = 206611776.

The previous prime is 630534881. The next prime is 630534901. The reversal of 630534888 is 888435036.

630534888 is a `hidden beast` number, since 6 + 30 + 534 + 8 + 88 = 666.

It is not an unprimeable number, because it can be changed into a prime (630534881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11995 + ... + 37482.

It is an arithmetic number, because the mean of its divisors is an integer number (27831375).

Almost surely, 2^630534888 is an apocalyptic number.

It is an amenable number.

630534888 is an abundant number, since it is smaller than the sum of its proper divisors (1150673112).

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

630534888 is a wasteful number, since it uses less digits than its factorization.

630534888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49551 (or 49541 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 630534888 is about 25110.4537593409. The cubic root of 630534888 is about 857.5044328806.

The spelling of 630534888 in words is "six hundred thirty million, five hundred thirty-four thousand, eight hundred eighty-eight".