421888362 has 32 divisors (see below), whose sum is σ = 995426304. Its totient is φ = 116650800.

The previous prime is 421888343. The next prime is 421888367. The reversal of 421888362 is 263888124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (421888367) 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, 160714 + ... + 163317.

It is an arithmetic number, because the mean of its divisors is an integer number (31107072).

Almost surely, 2^421888362 is an apocalyptic number.

421888362 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

421888362 is an abundant number, since it is smaller than the sum of its proper divisors (573537942).

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

421888362 is a wasteful number, since it uses less digits than its factorization.

421888362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324074.

The product of its digits is 147456, while the sum is 42.

The square root of 421888362 is about 20539.9211780377. The cubic root of 421888362 is about 750.0079181386.

The spelling of 421888362 in words is "four hundred twenty-one million, eight hundred eighty-eight thousand, three hundred sixty-two".