421674290 has 32 divisors (see below), whose sum is σ = 810031104. Its totient is φ = 157489920.

The previous prime is 421674269. The next prime is 421674301. The reversal of 421674290 is 92476124.

It is a self number, because there is not a number n which added to its sum of digits gives 421674290.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11825 + ... + 31355.

It is an arithmetic number, because the mean of its divisors is an integer number (25313472).

Almost surely, 2^421674290 is an apocalyptic number.

421674290 is a deficient number, since it is larger than the sum of its proper divisors (388356814).

421674290 is a wasteful number, since it uses less digits than its factorization.

421674290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19682.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 421674290 is about 20534.7093965315. The cubic root of 421674290 is about 749.8810418737.

The spelling of 421674290 in words is "four hundred twenty-one million, six hundred seventy-four thousand, two hundred ninety".