420798231 has 48 divisors (see below), whose sum is σ = 712857600. Its totient is φ = 239092560.

The previous prime is 420798223. The next prime is 420798241. The reversal of 420798231 is 132897024.

It is not a de Polignac number, because 420798231 - 2³ = 420798223 is a prime.

It is a super-2 number, since 2×420798231² = 354142302425458722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420798221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 836326 + ... + 836828.

It is an arithmetic number, because the mean of its divisors is an integer number (14851200).

Almost surely, 2^420798231 is an apocalyptic number.

420798231 is a deficient number, since it is larger than the sum of its proper divisors (292059369).

420798231 is a wasteful number, since it uses less digits than its factorization.

420798231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801 (or 784 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 420798231 is about 20513.3671297522. The cubic root of 420798231 is about 749.3613710251.

The spelling of 420798231 in words is "four hundred twenty million, seven hundred ninety-eight thousand, two hundred thirty-one".