421298416 has 40 divisors (see below), whose sum is σ = 1017684864. Its totient is φ = 164141760.

The previous prime is 421298413. The next prime is 421298443. The reversal of 421298416 is 614892124.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421298413) 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 7 ways as a sum of consecutive naturals, for example, 169750 + ... + 172213.

Almost surely, 2^421298416 is an apocalyptic number.

It is an amenable number.

421298416 is an abundant number, since it is smaller than the sum of its proper divisors (596386448).

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

421298416 is a wasteful number, since it uses less digits than its factorization.

421298416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341989 (or 341983 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 421298416 is about 20525.5551934655. Note that the first 3 decimals coincide. The cubic root of 421298416 is about 749.6581648145.

The spelling of 421298416 in words is "four hundred twenty-one million, two hundred ninety-eight thousand, four hundred sixteen".