420338952 has 48 divisors (see below), whose sum is σ = 1241912880. Its totient is φ = 127375200.

The previous prime is 420338939. The next prime is 420338969. The reversal of 420338952 is 259833024.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 264574 + ... + 266157.

It is an arithmetic number, because the mean of its divisors is an integer number (25873185).

Almost surely, 2^420338952 is an apocalyptic number.

It is an amenable number.

420338952 is an abundant number, since it is smaller than the sum of its proper divisors (821573928).

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

420338952 is a wasteful number, since it uses less digits than its factorization.

420338952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530754 (or 530747 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 420338952 is about 20502.1694461830. The cubic root of 420338952 is about 749.0886423515.

The spelling of 420338952 in words is "four hundred twenty million, three hundred thirty-eight thousand, nine hundred fifty-two".