421416204 has 48 divisors (see below), whose sum is σ = 1098873216. Its totient is φ = 124585600.

The previous prime is 421416187. The next prime is 421416221. The reversal of 421416204 is 402614124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (421416187) and next prime (421416221).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33522 + ... + 44345.

It is an arithmetic number, because the mean of its divisors is an integer number (22893192).

Almost surely, 2^421416204 is an apocalyptic number.

421416204 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

421416204 is an abundant number, since it is smaller than the sum of its proper divisors (677457012).

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

421416204 is a wasteful number, since it uses less digits than its factorization.

421416204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77926 (or 77924 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 421416204 is about 20528.4242941342. The cubic root of 421416204 is about 749.7280222716.

The spelling of 421416204 in words is "four hundred twenty-one million, four hundred sixteen thousand, two hundred four".