265930 has 32 divisors (see below), whose sum is σ = 570240. Its totient is φ = 87360.

The previous prime is 265921. The next prime is 265957. The reversal of 265930 is 39562.

It is a junction number, because it is equal to n+sod(n) for n = 265895 and 265904.

It is an unprimeable number.

265930 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1965 + ... + 2095.

It is an arithmetic number, because the mean of its divisors is an integer number (17820).

2²⁶⁵⁹³⁰ is an apocalyptic number.

265930 is an abundant number, since it is smaller than the sum of its proper divisors (304310).

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

265930 is a wasteful number, since it uses less digits than its factorization.

265930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 265930 is about 515.6840117747. The cubic root of 265930 is about 64.3066339912.

The spelling of 265930 in words is "two hundred sixty-five thousand, nine hundred thirty".