421469862 has 96 divisors (see below), whose sum is σ = 975270912. Its totient is φ = 121176000.

The previous prime is 421469857. The next prime is 421469879. The reversal of 421469862 is 268964124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1372713 + ... + 1373019.

It is an arithmetic number, because the mean of its divisors is an integer number (10159072).

Almost surely, 2^421469862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421469862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487635456).

421469862 is an abundant number, since it is smaller than the sum of its proper divisors (553801050).

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

421469862 is a wasteful number, since it uses less digits than its factorization.

421469862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 415 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 421469862 is about 20529.7311721318. The cubic root of 421469862 is about 749.7598413288.

The spelling of 421469862 in words is "four hundred twenty-one million, four hundred sixty-nine thousand, eight hundred sixty-two".