420881598 has 24 divisors (see below), whose sum is σ = 912600000. Its totient is φ = 140187744.

The previous prime is 420881567. The next prime is 420881599. The reversal of 420881598 is 895188024.

It is a happy number.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17778 + ... + 34026.

It is an arithmetic number, because the mean of its divisors is an integer number (38025000).

Almost surely, 2^420881598 is an apocalyptic number.

420881598 is an abundant number, since it is smaller than the sum of its proper divisors (491718402).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420881598 is a wasteful number, since it uses less digits than its factorization.

420881598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17696 (or 17693 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 420881598 is about 20515.3990455950. The cubic root of 420881598 is about 749.4108546649.

The spelling of 420881598 in words is "four hundred twenty million, eight hundred eighty-one thousand, five hundred ninety-eight".