630908416 has 20 divisors (see below), whose sum is σ = 1260585612. Its totient is φ = 315453952.

The previous prime is 630908393. The next prime is 630908419. The reversal of 630908416 is 614809036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630908419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615610 + ... + 616633.

Almost surely, 2^630908416 is an apocalyptic number.

It is an amenable number.

630908416 is a deficient number, since it is larger than the sum of its proper divisors (629677196).

630908416 is an equidigital number, since it uses as much as digits as its factorization.

630908416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232261 (or 1232245 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 630908416 is about 25117.8903572732. The cubic root of 630908416 is about 857.6737276037.

The spelling of 630908416 in words is "six hundred thirty million, nine hundred eight thousand, four hundred sixteen".