332840 has 32 divisors (see below), whose sum is σ = 767880. Its totient is φ = 129792.

The previous prime is 332837. The next prime is 332851. The reversal of 332840 is 48233.

It can be written as a sum of positive squares in 4 ways, for example, as 268324 + 64516 = 518^2 + 254^2 .

It is a super-2 number, since 2×332840² = 221564931200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 332840.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2042 + ... + 2198.

2³³²⁸⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 332840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383940).

332840 is an abundant number, since it is smaller than the sum of its proper divisors (435040).

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

332840 is a wasteful number, since it uses less digits than its factorization.

332840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 217 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 332840 is about 576.9228717948. The cubic root of 332840 is about 69.3019047234.

The spelling of 332840 in words is "three hundred thirty-two thousand, eight hundred forty".