421364620 has 24 divisors (see below), whose sum is σ = 887216400. Its totient is φ = 168098112.

The previous prime is 421364599. The next prime is 421364633. The reversal of 421364620 is 26463124.

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 7 ways as a sum of consecutive naturals, for example, 20215 + ... + 35374.

It is an arithmetic number, because the mean of its divisors is an integer number (36967350).

Almost surely, 2^421364620 is an apocalyptic number.

It is an amenable number.

421364620 is an abundant number, since it is smaller than the sum of its proper divisors (465851780).

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

421364620 is a wasteful number, since it uses less digits than its factorization.

421364620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55977 (or 55975 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 421364620 is about 20527.1678514110. The cubic root of 421364620 is about 749.6974305446.

The spelling of 421364620 in words is "four hundred twenty-one million, three hundred sixty-four thousand, six hundred twenty".