245706 has 16 divisors (see below), whose sum is σ = 507648. Its totient is φ = 79200.

The previous prime is 245683. The next prime is 245711. The reversal of 245706 is 607542.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475 + ... + 846.

It is an arithmetic number, because the mean of its divisors is an integer number (31728).

2²⁴⁵⁷⁰⁶ is an apocalyptic number.

245706 is the 314-th centered pentagonal number.

245706 is an abundant number, since it is smaller than the sum of its proper divisors (261942).

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

245706 is a wasteful number, since it uses less digits than its factorization.

245706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 245706 is about 495.6874014941. The cubic root of 245706 is about 62.6332941871.

The spelling of 245706 in words is "two hundred forty-five thousand, seven hundred six".