100634044 has 18 divisors (see below), whose sum is σ = 204862560. Its totient is φ = 43128792.

The previous prime is 100634021. The next prime is 100634047. The reversal of 100634044 is 440436001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100634047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 256524 + ... + 256915.

Almost surely, 2^100634044 is an apocalyptic number.

100634044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100634044 is an abundant number, since it is smaller than the sum of its proper divisors (104228516).

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

100634044 is a wasteful number, since it uses less digits than its factorization.

100634044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513457 (or 513448 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 100634044 is about 10031.6521072055. The cubic root of 100634044 is about 465.1378078467.

The spelling of 100634044 in words is "one hundred million, six hundred thirty-four thousand, forty-four".