421292 has 6 divisors (see below), whose sum is σ = 737268. Its totient is φ = 210644.

The previous prime is 421279. The next prime is 421303. The reversal of 421292 is 292124.

421292 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 421292.

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 as a sum of consecutive naturals, namely, 52658 + ... + 52665.

It is an arithmetic number, because the mean of its divisors is an integer number (122878).

2⁴²¹²⁹² is an apocalyptic number.

It is an amenable number.

421292 is a deficient number, since it is larger than the sum of its proper divisors (315976).

421292 is a wasteful number, since it uses less digits than its factorization.

421292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105327 (or 105325 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 421292 is about 649.0701040720. The cubic root of 421292 is about 74.9654359253.

The spelling of 421292 in words is "four hundred twenty-one thousand, two hundred ninety-two".