244097989 has 2 divisors, whose sum is σ = 244097990. Its totient is φ = 244097988.

The previous prime is 244097963. The next prime is 244098013. The reversal of 244097989 is 989790442.

It is a happy number.

244097989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173369889 + 70728100 = 13167^2 + 8410^2 .

It is a cyclic number.

It is not a de Polignac number, because 244097989 - 2⁵ = 244097957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244091989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122048994 + 122048995.

It is an arithmetic number, because the mean of its divisors is an integer number (122048995).

Almost surely, 2^244097989 is an apocalyptic number.

It is an amenable number.

244097989 is a deficient number, since it is larger than the sum of its proper divisors (1).

244097989 is an equidigital number, since it uses as much as digits as its factorization.

244097989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 244097989 is about 15623.6355884282. The cubic root of 244097989 is about 624.9636151619.

The spelling of 244097989 in words is "two hundred forty-four million, ninety-seven thousand, nine hundred eighty-nine".