264090 has 16 divisors (see below), whose sum is σ = 633888. Its totient is φ = 70416.

The previous prime is 264083. The next prime is 264091. The reversal of 264090 is 90462.

It is a zygodrome in base 9.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 264090.

It is not an unprimeable number, because it can be changed into a prime (264091) by changing a digit.

264090 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 7 ways as a sum of consecutive naturals, for example, 4372 + ... + 4431.

It is an arithmetic number, because the mean of its divisors is an integer number (39618).

2²⁶⁴⁰⁹⁰ is an apocalyptic number.

264090 is an abundant number, since it is smaller than the sum of its proper divisors (369798).

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

264090 is a wasteful number, since it uses less digits than its factorization.

264090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8813.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 264090 is about 513.8968768148. The cubic root of 264090 is about 64.1579756224.

The spelling of 264090 in words is "two hundred sixty-four thousand, ninety".