629684949 has 16 divisors (see below), whose sum is σ = 848031104. Its totient is φ = 415584000.

The previous prime is 629684941. The next prime is 629684953. The reversal of 629684949 is 949486926.

It is not a de Polignac number, because 629684949 - 2³ = 629684941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (629684941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139569 + ... + 144009.

It is an arithmetic number, because the mean of its divisors is an integer number (53001944).

Almost surely, 2^629684949 is an apocalyptic number.

It is an amenable number.

629684949 is a deficient number, since it is larger than the sum of its proper divisors (218346155).

629684949 is a wasteful number, since it uses less digits than its factorization.

629684949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4908.

The product of its digits is 6718464, while the sum is 57.

The square root of 629684949 is about 25093.5240450599. The cubic root of 629684949 is about 857.1189642903.

The spelling of 629684949 in words is "six hundred twenty-nine million, six hundred eighty-four thousand, nine hundred forty-nine".