245685836 has 54 divisors (see below), whose sum is σ = 501860268. Its totient is φ = 104350080.

The previous prime is 245685829. The next prime is 245685841. The reversal of 245685836 is 638586542.

245685836 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×245685836² = 120723060022037792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1767455 + ... + 1767593.

Almost surely, 2^245685836 is an apocalyptic number.

It is an amenable number.

245685836 is an abundant number, since it is smaller than the sum of its proper divisors (256174432).

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

245685836 is a wasteful number, since it uses less digits than its factorization.

245685836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 169 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 47.

The square root of 245685836 is about 15674.3687592196. The cubic root of 245685836 is about 626.3158079484.

The spelling of 245685836 in words is "two hundred forty-five million, six hundred eighty-five thousand, eight hundred thirty-six".