629891088 has 40 divisors (see below), whose sum is σ = 1628616000. Its totient is φ = 209783424.

The previous prime is 629891083. The next prime is 629891117. The reversal of 629891088 is 880198926.

It is a self number, because there is not a number n which added to its sum of digits gives 629891088.

It is not an unprimeable number, because it can be changed into a prime (629891083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58338 + ... + 68286.

It is an arithmetic number, because the mean of its divisors is an integer number (40715400).

Almost surely, 2^629891088 is an apocalyptic number.

It is an amenable number.

629891088 is an abundant number, since it is smaller than the sum of its proper divisors (998724912).

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

629891088 is a wasteful number, since it uses less digits than its factorization.

629891088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11279 (or 11273 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 51.

The square root of 629891088 is about 25097.6311232754. The cubic root of 629891088 is about 857.2124853279.

The spelling of 629891088 in words is "six hundred twenty-nine million, eight hundred ninety-one thousand, eighty-eight".