100998772 has 12 divisors (see below), whose sum is σ = 201997600. Its totient is φ = 43285176.

The previous prime is 100998763. The next prime is 100998809. The reversal of 100998772 is 277899001.

It is a happy number.

100998772 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803522 + ... + 1803577.

Almost surely, 2^100998772 is an apocalyptic number.

It is an amenable number.

100998772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

100998772 is a wasteful number, since it uses less digits than its factorization.

100998772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607110 (or 3607108 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 100998772 is about 10049.8145256517. The cubic root of 100998772 is about 465.6990633775.

The spelling of 100998772 in words is "one hundred million, nine hundred ninety-eight thousand, seven hundred seventy-two".