634043692 has 24 divisors (see below), whose sum is σ = 1150656416. Its totient is φ = 305451648.

The previous prime is 634043689. The next prime is 634043693. The reversal of 634043692 is 296340436.

It is a super-2 number, since 2×634043692² = 804022806729981728, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (634043693) 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, 5553 + ... + 36040.

Almost surely, 2^634043692 is an apocalyptic number.

It is an amenable number.

634043692 is a deficient number, since it is larger than the sum of its proper divisors (516612724).

634043692 is a wasteful number, since it uses less digits than its factorization.

634043692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41737 (or 41735 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 634043692 is about 25180.2242245775. The cubic root of 634043692 is about 859.0921066030.

The spelling of 634043692 in words is "six hundred thirty-four million, forty-three thousand, six hundred ninety-two".