421512396 has 24 divisors (see below), whose sum is σ = 984023040. Its totient is φ = 140433552.

The previous prime is 421512367. The next prime is 421512409. The reversal of 421512396 is 693215124.

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, 19765 + ... + 35123.

It is an arithmetic number, because the mean of its divisors is an integer number (41000960).

Almost surely, 2^421512396 is an apocalyptic number.

It is an amenable number.

421512396 is an abundant number, since it is smaller than the sum of its proper divisors (562510644).

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

421512396 is a wasteful number, since it uses less digits than its factorization.

421512396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17653 (or 17651 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 421512396 is about 20530.7670582470. The cubic root of 421512396 is about 749.7850619636.

The spelling of 421512396 in words is "four hundred twenty-one million, five hundred twelve thousand, three hundred ninety-six".