8381892 has 12 divisors (see below), whose sum is σ = 19557776. Its totient is φ = 2793960.

The previous prime is 8381887. The next prime is 8381903. The reversal of 8381892 is 2981838.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×8381892² = 140512226999328, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 8381892.

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, 349234 + ... + 349257.

Almost surely, 2^8381892 is an apocalyptic number.

It is an amenable number.

8381892 is an abundant number, since it is smaller than the sum of its proper divisors (11175884).

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

8381892 is a wasteful number, since it uses less digits than its factorization.

8381892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698498 (or 698496 counting only the distinct ones).

The product of its digits is 27648, while the sum is 39.

The square root of 8381892 is about 2895.1497370602. The cubic root of 8381892 is about 203.1330955984.

The spelling of 8381892 in words is "eight million, three hundred eighty-one thousand, eight hundred ninety-two".