421326736 has 20 divisors (see below), whose sum is σ = 817613964. Its totient is φ = 210329600.

The previous prime is 421326679. The next prime is 421326739. The reversal of 421326736 is 637623124.

It can be written as a sum of positive squares in 2 ways, for example, as 290361600 + 130965136 = 17040^2 + 11444^2 .

It is not an unprimeable number, because it can be changed into a prime (421326739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10285 + ... + 30796.

Almost surely, 2^421326736 is an apocalyptic number.

It is an amenable number.

421326736 is a deficient number, since it is larger than the sum of its proper divisors (396287228).

421326736 is a wasteful number, since it uses less digits than its factorization.

421326736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41730 (or 41724 counting only the distinct ones).

The product of its digits is 36288, while the sum is 34.

The square root of 421326736 is about 20526.2450535893. The cubic root of 421326736 is about 749.6749619689.

The spelling of 421326736 in words is "four hundred twenty-one million, three hundred twenty-six thousand, seven hundred thirty-six".