421353352 has 96 divisors (see below), whose sum is σ = 951635520. Its totient is φ = 174303360.

The previous prime is 421353337. The next prime is 421353403. The reversal of 421353352 is 253353124.

It is a Harshad number since it is a multiple of its sum of digits (28).

Its product of digits (10800) is a multiple of the sum of its prime divisors (400).

It is a self number, because there is not a number n which added to its sum of digits gives 421353352.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1601973 + ... + 1602235.

It is an arithmetic number, because the mean of its divisors is an integer number (9912870).

Almost surely, 2^421353352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421353352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475817760).

421353352 is an abundant number, since it is smaller than the sum of its proper divisors (530282168).

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

421353352 is a wasteful number, since it uses less digits than its factorization.

421353352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 400 counting only the distinct ones).

The product of its digits is 10800, while the sum is 28.

The square root of 421353352 is about 20526.8933840462. The cubic root of 421353352 is about 749.6907477609.

The spelling of 421353352 in words is "four hundred twenty-one million, three hundred fifty-three thousand, three hundred fifty-two".