420832 has 12 divisors (see below), whose sum is σ = 828576. Its totient is φ = 210400.

The previous prime is 420811. The next prime is 420851. The reversal of 420832 is 238024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6544 + ... + 6607.

It is an arithmetic number, because the mean of its divisors is an integer number (69048).

2⁴²⁰⁸³² is an apocalyptic number.

It is an amenable number.

420832 is a deficient number, since it is larger than the sum of its proper divisors (407744).

420832 is a wasteful number, since it uses less digits than its factorization.

420832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13161 (or 13153 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 420832 is about 648.7156541968. The cubic root of 420832 is about 74.9381415871.

Adding to 420832 its reverse (238024), we get a palindrome (658856).

The spelling of 420832 in words is "four hundred twenty thousand, eight hundred thirty-two".