423892 has 12 divisors (see below), whose sum is σ = 847840. Its totient is φ = 181656.

The previous prime is 423887. The next prime is 423931. The reversal of 423892 is 298324.

423892 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 15139 = 423892 / (4 + 2 + 3 + 8 + 9 + 2).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 423892.

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, 7542 + ... + 7597.

2⁴²³⁸⁹² is an apocalyptic number.

It is an amenable number.

423892 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.

423892 is a wasteful number, since it uses less digits than its factorization.

423892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15150 (or 15148 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 423892 is about 651.0698887216. The cubic root of 423892 is about 75.1193359443.

The spelling of 423892 in words is "four hundred twenty-three thousand, eight hundred ninety-two".