105887992 has 32 divisors (see below), whose sum is σ = 231736320. Its totient is φ = 44413920.

The previous prime is 105887983. The next prime is 105887993. The reversal of 105887992 is 299788501.

It is a super-2 number, since 2×105887992² = 22424533699584128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105887993) 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, 17484 + ... + 22747.

It is an arithmetic number, because the mean of its divisors is an integer number (7241760).

Almost surely, 2^105887992 is an apocalyptic number.

It is an amenable number.

105887992 is an abundant number, since it is smaller than the sum of its proper divisors (125848328).

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

105887992 is a wasteful number, since it uses less digits than its factorization.

105887992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40291 (or 40287 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 49.

The square root of 105887992 is about 10290.1891139085. The cubic root of 105887992 is about 473.0955948667.

The spelling of 105887992 in words is "one hundred five million, eight hundred eighty-seven thousand, nine hundred ninety-two".