420892 has 12 divisors (see below), whose sum is σ = 742840. Its totient is φ = 208656.

The previous prime is 420859. The next prime is 420899. The reversal of 420892 is 298024.

420892 is nontrivially palindromic in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178 + ... + 934.

2⁴²⁰⁸⁹² is an apocalyptic number.

It is an amenable number.

420892 is a deficient number, since it is larger than the sum of its proper divisors (321948).

420892 is a wasteful number, since it uses less digits than its factorization.

420892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 898 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 420892 is about 648.7618977714. The cubic root of 420892 is about 74.9417028458.

The spelling of 420892 in words is "four hundred twenty thousand, eight hundred ninety-two".