629999982 has 24 divisors (see below), whose sum is σ = 1368057600. Its totient is φ = 209529600.

The previous prime is 629999947. The next prime is 629999983. The reversal of 629999982 is 289999926.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629999983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30894 + ... + 47057.

It is an arithmetic number, because the mean of its divisors is an integer number (57002400).

Almost surely, 2^629999982 is an apocalyptic number.

629999982 is an abundant number, since it is smaller than the sum of its proper divisors (738057618).

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

629999982 is a wasteful number, since it uses less digits than its factorization.

629999982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78408 (or 78405 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 63.

The square root of 629999982 is about 25099.8004374537. The cubic root of 629999982 is about 857.2618800669.

The spelling of 629999982 in words is "six hundred twenty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-two".