421371746 has 16 divisors (see below), whose sum is σ = 650008800. Its totient is φ = 204782688.

The previous prime is 421371737. The next prime is 421371751. The reversal of 421371746 is 647173124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9560 + ... + 30563.

It is an arithmetic number, because the mean of its divisors is an integer number (40625550).

Almost surely, 2^421371746 is an apocalyptic number.

421371746 is a deficient number, since it is larger than the sum of its proper divisors (228637054).

421371746 is a wasteful number, since it uses less digits than its factorization.

421371746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40273.

The product of its digits is 28224, while the sum is 35.

The square root of 421371746 is about 20527.3414255232. The cubic root of 421371746 is about 749.7016567449.

The spelling of 421371746 in words is "four hundred twenty-one million, three hundred seventy-one thousand, seven hundred forty-six".