630694400 has 120 divisors (see below), whose sum is σ = 1786076160. Its totient is φ = 216207360.

The previous prime is 630694387. The next prime is 630694423. The reversal of 630694400 is 4496036.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 86081 + ... + 93119.

It is an arithmetic number, because the mean of its divisors is an integer number (14883968).

Almost surely, 2^630694400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 630694400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (893038080).

630694400 is an abundant number, since it is smaller than the sum of its proper divisors (1155381760).

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

630694400 is an equidigital number, since it uses as much as digits as its factorization.

630694400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7074 (or 7053 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 630694400 is about 25113.6297655277. The cubic root of 630694400 is about 857.5767369497.

The spelling of 630694400 in words is "six hundred thirty million, six hundred ninety-four thousand, four hundred".