244197864 has 48 divisors (see below), whose sum is σ = 684180900. Its totient is φ = 78591744.

The previous prime is 244197803. The next prime is 244197907. The reversal of 244197864 is 468791442.

244197864 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 235376964 + 8820900 = 15342^2 + 2970^2 .

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, 56389 + ... + 60564.

Almost surely, 2^244197864 is an apocalyptic number.

244197864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

244197864 is an abundant number, since it is smaller than the sum of its proper divisors (439983036).

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

244197864 is a wasteful number, since it uses less digits than its factorization.

244197864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116994 (or 116987 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 244197864 is about 15626.8315406547. The cubic root of 244197864 is about 625.0488401300.

The spelling of 244197864 in words is "two hundred forty-four million, one hundred ninety-seven thousand, eight hundred sixty-four".