421437268 has 12 divisors (see below), whose sum is σ = 842874592. Its totient is φ = 180615960.

The previous prime is 421437223. The next prime is 421437307. The reversal of 421437268 is 862734124.

421437268 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7525638 + ... + 7525693.

Almost surely, 2^421437268 is an apocalyptic number.

It is an amenable number.

421437268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

421437268 is a wasteful number, since it uses less digits than its factorization.

421437268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15051342 (or 15051340 counting only the distinct ones).

The product of its digits is 64512, while the sum is 37.

The square root of 421437268 is about 20528.9373324583. The cubic root of 421437268 is about 749.7405134919.

The spelling of 421437268 in words is "four hundred twenty-one million, four hundred thirty-seven thousand, two hundred sixty-eight".