420792084 has 60 divisors (see below), whose sum is σ = 1147881504. Its totient is φ = 134163216.

The previous prime is 420792077. The next prime is 420792101. The reversal of 420792084 is 480297024.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 20782 + ... + 35685.

Almost surely, 2^420792084 is an apocalyptic number.

It is an amenable number.

420792084 is an abundant number, since it is smaller than the sum of its proper divisors (727089420).

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

420792084 is a wasteful number, since it uses less digits than its factorization.

420792084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56506 (or 56495 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 420792084 is about 20513.2173000727. The cubic root of 420792084 is about 749.3577221292.

The spelling of 420792084 in words is "four hundred twenty million, seven hundred ninety-two thousand, eighty-four".