10421992 has 16 divisors (see below), whose sum is σ = 22332960. Its totient is φ = 4466544.

The previous prime is 10421981. The next prime is 10422017. The reversal of 10421992 is 29912401.

It is a happy number.

10421992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 10421992.

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, 92998 + ... + 93109.

It is an arithmetic number, because the mean of its divisors is an integer number (1395810).

Almost surely, 2^10421992 is an apocalyptic number.

It is an amenable number.

10421992 is an abundant number, since it is smaller than the sum of its proper divisors (11910968).

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

10421992 is a wasteful number, since it uses less digits than its factorization.

10421992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186120 (or 186116 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 10421992 is about 3228.3110135177. The cubic root of 10421992 is about 218.4323267011.

The spelling of 10421992 in words is "ten million, four hundred twenty-one thousand, nine hundred ninety-two".