332389 has 4 divisors (see below), whose sum is σ = 337900. Its totient is φ = 326880.

The previous prime is 332317. The next prime is 332393. The reversal of 332389 is 983233.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21025 + 311364 = 145^2 + 558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-332389 is a prime.

It is a super-2 number, since 2×332389² = 220964894642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2664 + ... + 2785.

It is an arithmetic number, because the mean of its divisors is an integer number (84475).

2³³²³⁸⁹ is an apocalyptic number.

It is an amenable number.

332389 is a deficient number, since it is larger than the sum of its proper divisors (5511).

332389 is an equidigital number, since it uses as much as digits as its factorization.

332389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510.

The product of its digits is 3888, while the sum is 28.

The square root of 332389 is about 576.5318724928. The cubic root of 332389 is about 69.2705890897.

The spelling of 332389 in words is "three hundred thirty-two thousand, three hundred eighty-nine".