420892032 has 64 divisors (see below), whose sum is σ = 1219642560. Its totient is φ = 127541760.

The previous prime is 420891953. The next prime is 420892067. The reversal of 420892032 is 230298024.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45598 + ... + 54045.

It is an arithmetic number, because the mean of its divisors is an integer number (19056915).

Almost surely, 2^420892032 is an apocalyptic number.

It is an amenable number.

420892032 is an abundant number, since it is smaller than the sum of its proper divisors (798750528).

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

420892032 is a wasteful number, since it uses less digits than its factorization.

420892032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99671 (or 99659 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 420892032 is about 20515.6533408030. The cubic root of 420892032 is about 749.4170474503.

The spelling of 420892032 in words is "four hundred twenty million, eight hundred ninety-two thousand, thirty-two".