421424292 has 24 divisors (see below), whose sum is σ = 1015044352. Its totient is φ = 135943200.

The previous prime is 421424287. The next prime is 421424293. The reversal of 421424292 is 292424124.

It is not an unprimeable number, because it can be changed into a prime (421424293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566059 + ... + 566802.

Almost surely, 2^421424292 is an apocalyptic number.

It is an amenable number.

421424292 is an abundant number, since it is smaller than the sum of its proper divisors (593620060).

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

421424292 is a wasteful number, since it uses less digits than its factorization.

421424292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132899 (or 1132897 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

The square root of 421424292 is about 20528.6212883379. The cubic root of 421424292 is about 749.7328186079.

The spelling of 421424292 in words is "four hundred twenty-one million, four hundred twenty-four thousand, two hundred ninety-two".