421674291 has 12 divisors (see below), whose sum is σ = 609672960. Its totient is φ = 280844880.

The previous prime is 421674269. The next prime is 421674301. The reversal of 421674291 is 192476124.

It is a happy number.

It is not a de Polignac number, because 421674291 - 2⁵ = 421674259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421674251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12531 + ... + 31628.

It is an arithmetic number, because the mean of its divisors is an integer number (50806080).

Almost surely, 2^421674291 is an apocalyptic number.

421674291 is a deficient number, since it is larger than the sum of its proper divisors (187998669).

421674291 is a wasteful number, since it uses less digits than its factorization.

421674291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45226 (or 45223 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 421674291 is about 20534.7094208805. The cubic root of 421674291 is about 749.8810424665.

The spelling of 421674291 in words is "four hundred twenty-one million, six hundred seventy-four thousand, two hundred ninety-one".