629975484 has 18 divisors (see below), whose sum is σ = 1592438120. Its totient is φ = 209991816.

The previous prime is 629975483. The next prime is 629975503. The reversal of 629975484 is 484579926.

629975484 is a `hidden beast` number, since 6 + 2 + 9 + 97 + 548 + 4 = 666.

629975484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×629975484² = 793738220882068512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 629975484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629975483) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8749624 + ... + 8749695.

Almost surely, 2^629975484 is an apocalyptic number.

It is an amenable number.

629975484 is an abundant number, since it is smaller than the sum of its proper divisors (962462636).

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

629975484 is a wasteful number, since it uses less digits than its factorization.

629975484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17499329 (or 17499324 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 629975484 is about 25099.3124208613. The cubic root of 629975484 is about 857.2507681757.

The spelling of 629975484 in words is "six hundred twenty-nine million, nine hundred seventy-five thousand, four hundred eighty-four".