245683764 has 36 divisors (see below), whose sum is σ = 622825476. Its totient is φ = 81658368.

The previous prime is 245683747. The next prime is 245683771. The reversal of 245683764 is 467386542.

245683764 is a `hidden beast` number, since 24 + 568 + 3 + 7 + 64 = 666.

245683764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 175827600 + 69856164 = 13260^2 + 8358^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3042 + ... + 22374.

Almost surely, 2^245683764 is an apocalyptic number.

It is an amenable number.

245683764 is an abundant number, since it is smaller than the sum of its proper divisors (377141712).

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

245683764 is a wasteful number, since it uses less digits than its factorization.

245683764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19696 (or 19691 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 245683764 is about 15674.3026639146. The cubic root of 245683764 is about 626.3140472581.

The spelling of 245683764 in words is "two hundred forty-five million, six hundred eighty-three thousand, seven hundred sixty-four".