421831104 has 56 divisors (see below), whose sum is σ = 1134422928. Its totient is φ = 138301440.

The previous prime is 421831087. The next prime is 421831127. The reversal of 421831104 is 401138124.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6297 + ... + 29720.

Almost surely, 2^421831104 is an apocalyptic number.

It is an amenable number.

421831104 is an abundant number, since it is smaller than the sum of its proper divisors (712591824).

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

421831104 is a wasteful number, since it uses less digits than its factorization.

421831104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36093 (or 36083 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 421831104 is about 20538.5273084513. The cubic root of 421831104 is about 749.9739866533.

Adding to 421831104 its reverse (401138124), we get a palindrome (822969228).

The spelling of 421831104 in words is "four hundred twenty-one million, eight hundred thirty-one thousand, one hundred four".