264078 has 24 divisors (see below), whose sum is σ = 606528. Its totient is φ = 82752.

The previous prime is 264071. The next prime is 264083. The reversal of 264078 is 870462.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264071) by changing a digit.

264078 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 11 ways as a sum of consecutive naturals, for example, 126 + ... + 737.

It is an arithmetic number, because the mean of its divisors is an integer number (25272).

2²⁶⁴⁰⁷⁸ is an apocalyptic number.

264078 is an abundant number, since it is smaller than the sum of its proper divisors (342450).

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

264078 is a wasteful number, since it uses less digits than its factorization.

264078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888 (or 885 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 264078 is about 513.8852011880. The cubic root of 264078 is about 64.1570038485.

The spelling of 264078 in words is "two hundred sixty-four thousand, seventy-eight".