421964292 has 48 divisors (see below), whose sum is σ = 1011830400. Its totient is φ = 136784640.

The previous prime is 421964287. The next prime is 421964303. The reversal of 421964292 is 292469124.

It is a super-2 number, since 2×421964292² = 356107727446122528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 421964292.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 175434 + ... + 177822.

It is an arithmetic number, because the mean of its divisors is an integer number (21079800).

Almost surely, 2^421964292 is an apocalyptic number.

It is an amenable number.

421964292 is an abundant number, since it is smaller than the sum of its proper divisors (589866108).

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

421964292 is a wasteful number, since it uses less digits than its factorization.

421964292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796 (or 2794 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 421964292 is about 20541.7694466665. The cubic root of 421964292 is about 750.0529100451.

The spelling of 421964292 in words is "four hundred twenty-one million, nine hundred sixty-four thousand, two hundred ninety-two".