100899792 has 120 divisors (see below), whose sum is σ = 333232640. Its totient is φ = 27889920.

The previous prime is 100899791. The next prime is 100899793. The reversal of 100899792 is 297998001.

It is an interprime number because it is at equal distance from previous prime (100899791) and next prime (100899793).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100899791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29634 + ... + 32862.

Almost surely, 2^100899792 is an apocalyptic number.

100899792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100899792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166616320).

100899792 is an abundant number, since it is smaller than the sum of its proper divisors (232332848).

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

100899792 is a wasteful number, since it uses less digits than its factorization.

100899792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3281 (or 3272 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 100899792 is about 10044.8888495593. Note that the first 4 decimals coincide. The cubic root of 100899792 is about 465.5468834435.

It can be divided in two parts, 10089 and 9792, that added together give a square (19881 = 141²).

The spelling of 100899792 in words is "one hundred million, eight hundred ninety-nine thousand, seven hundred ninety-two".