421367996 has 24 divisors (see below), whose sum is σ = 869922816. Its totient is φ = 174760560.

The previous prime is 421367957. The next prime is 421368041. The reversal of 421367996 is 699763124.

It is a happy number.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 421367996.

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, 241856 + ... + 243591.

It is an arithmetic number, because the mean of its divisors is an integer number (36246784).

Almost surely, 2^421367996 is an apocalyptic number.

It is an amenable number.

421367996 is an abundant number, since it is smaller than the sum of its proper divisors (448554820).

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

421367996 is a wasteful number, since it uses less digits than its factorization.

421367996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485489 (or 485487 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 421367996 is about 20527.2500837302. The cubic root of 421367996 is about 749.6994327470.

The spelling of 421367996 in words is "four hundred twenty-one million, three hundred sixty-seven thousand, nine hundred ninety-six".