232815 has 32 divisors (see below), whose sum is σ = 435456. Its totient is φ = 104960.

The previous prime is 232811. The next prime is 232819. The reversal of 232815 is 518232.

It is an interprime number because it is at equal distance from previous prime (232811) and next prime (232819).

It is not a de Polignac number, because 232815 - 2² = 232811 is a prime.

232815 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 232791 and 232800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232811) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2764 + ... + 2846.

It is an arithmetic number, because the mean of its divisors is an integer number (13608).

2²³²⁸¹⁵ is an apocalyptic number.

232815 is a deficient number, since it is larger than the sum of its proper divisors (202641).

232815 is a wasteful number, since it uses less digits than its factorization.

232815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119.

The product of its digits is 480, while the sum is 21.

The square root of 232815 is about 482.5090672723. The cubic root of 232815 is about 61.5182046708.

The spelling of 232815 in words is "two hundred thirty-two thousand, eight hundred fifteen".