420881596 has 12 divisors (see below), whose sum is σ = 736703800. Its totient is φ = 210394800.

The previous prime is 420881567. The next prime is 420881599. The reversal of 420881596 is 695188024.

It is a happy number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420881599) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16855 + ... + 33553.

Almost surely, 2^420881596 is an apocalyptic number.

It is an amenable number.

420881596 is a deficient number, since it is larger than the sum of its proper divisors (315822204).

420881596 is a wasteful number, since it uses less digits than its factorization.

420881596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23004 (or 23002 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 420881596 is about 20515.3989968511. The cubic root of 420881596 is about 749.4108534778.

The spelling of 420881596 in words is "four hundred twenty million, eight hundred eighty-one thousand, five hundred ninety-six".