421679412 has 96 divisors (see below), whose sum is σ = 1363031040. Its totient is φ = 109524960.

The previous prime is 421679399. The next prime is 421679413. The reversal of 421679412 is 214976124.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421679413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17038 + ... + 33669.

It is an arithmetic number, because the mean of its divisors is an integer number (14198240).

Almost surely, 2^421679412 is an apocalyptic number.

421679412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

421679412 is an abundant number, since it is smaller than the sum of its proper divisors (941351628).

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

421679412 is a wasteful number, since it uses less digits than its factorization.

421679412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50738 (or 50730 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 421679412 is about 20534.8341118208. The cubic root of 421679412 is about 749.8840780837.

The spelling of 421679412 in words is "four hundred twenty-one million, six hundred seventy-nine thousand, four hundred twelve".