421236376 has 16 divisors (see below), whose sum is σ = 861620040. Its totient is φ = 191471040.

The previous prime is 421236359. The next prime is 421236427. The reversal of 421236376 is 673632124.

It is a super-2 number, since 2×421236376² = 354880168931226752, which contains 22 as substring.

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, 2393301 + ... + 2393476.

Almost surely, 2^421236376 is an apocalyptic number.

It is an amenable number.

421236376 is an abundant number, since it is smaller than the sum of its proper divisors (440383664).

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

421236376 is a wasteful number, since it uses less digits than its factorization.

421236376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786794 (or 4786790 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 421236376 is about 20524.0438510543. The cubic root of 421236376 is about 749.6213650277.

The spelling of 421236376 in words is "four hundred twenty-one million, two hundred thirty-six thousand, three hundred seventy-six".