634429116 has 36 divisors (see below), whose sum is σ = 1606393152. Its totient is φ = 211120704.

The previous prime is 634429111. The next prime is 634429129. The reversal of 634429116 is 611924436.

634429116 is a `hidden beast` number, since 634 + 4 + 2 + 9 + 1 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634429111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7336 + ... + 36368.

It is an arithmetic number, because the mean of its divisors is an integer number (44622032).

Almost surely, 2^634429116 is an apocalyptic number.

It is an amenable number.

634429116 is an abundant number, since it is smaller than the sum of its proper divisors (971964036).

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

634429116 is a wasteful number, since it uses less digits than its factorization.

634429116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29650 (or 29645 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 634429116 is about 25187.8763693964. The cubic root of 634429116 is about 859.2661469990.

The spelling of 634429116 in words is "six hundred thirty-four million, four hundred twenty-nine thousand, one hundred sixteen".