634272916 has 12 divisors (see below), whose sum is σ = 1114298388. Its totient is φ = 315901952.

The previous prime is 634272913. The next prime is 634272923. The reversal of 634272916 is 619272436.

It is a happy number.

634272916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 384316816 + 249956100 = 19604^2 + 15810^2 .

It is a super-2 number, since 2×634272916² = 804604263942286112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634272913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307471 + ... + 309526.

It is an arithmetic number, because the mean of its divisors is an integer number (92858199).

Almost surely, 2^634272916 is an apocalyptic number.

It is an amenable number.

634272916 is a deficient number, since it is larger than the sum of its proper divisors (480025472).

634272916 is a wasteful number, since it uses less digits than its factorization.

634272916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617258 (or 617256 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 634272916 is about 25184.7754804366. The cubic root of 634272916 is about 859.1956224990.

The spelling of 634272916 in words is "six hundred thirty-four million, two hundred seventy-two thousand, nine hundred sixteen".