232890 has 32 divisors (see below), whose sum is σ = 639360. Its totient is φ = 53184.

The previous prime is 232877. The next prime is 232891. The reversal of 232890 is 98232.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 232890.

It is not an unprimeable number, because it can be changed into a prime (232891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345 + ... + 764.

It is an arithmetic number, because the mean of its divisors is an integer number (19980).

2²³²⁸⁹⁰ is an apocalyptic number.

232890 is an abundant number, since it is smaller than the sum of its proper divisors (406470).

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

232890 is a wasteful number, since it uses less digits than its factorization.

232890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1126.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 232890 is about 482.5867797609. The cubic root of 232890 is about 61.5248098724.

The spelling of 232890 in words is "two hundred thirty-two thousand, eight hundred ninety".