421620708 has 48 divisors (see below), whose sum is σ = 1017712640. Its totient is φ = 135712800.

The previous prime is 421620701. The next prime is 421620713. The reversal of 421620708 is 807026124.

It is not an unprimeable number, because it can be changed into a prime (421620701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229353 + ... + 231183.

Almost surely, 2^421620708 is an apocalyptic number.

It is an amenable number.

421620708 is an abundant number, since it is smaller than the sum of its proper divisors (596091932).

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

421620708 is a wasteful number, since it uses less digits than its factorization.

421620708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488 (or 2486 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 421620708 is about 20533.4046860232. The cubic root of 421620708 is about 749.8492781570.

The spelling of 421620708 in words is "four hundred twenty-one million, six hundred twenty thousand, seven hundred eight".