634949007 has 48 divisors (see below), whose sum is σ = 1080019584. Its totient is φ = 328104000.

The previous prime is 634948981. The next prime is 634949023. The reversal of 634949007 is 700949436.

It is not a de Polignac number, because 634949007 - 2⁶ = 634948943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 634949007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634949027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 340257 + ... + 342117.

It is an arithmetic number, because the mean of its divisors is an integer number (22500408).

Almost surely, 2^634949007 is an apocalyptic number.

634949007 is a deficient number, since it is larger than the sum of its proper divisors (445070577).

634949007 is a wasteful number, since it uses less digits than its factorization.

634949007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 634949007 is about 25198.1945186555. The cubic root of 634949007 is about 859.5007951028.

The spelling of 634949007 in words is "six hundred thirty-four million, nine hundred forty-nine thousand, seven".