244897961 has 16 divisors (see below), whose sum is σ = 312778368. Its totient is φ = 186172800.

The previous prime is 244897927. The next prime is 244897979. The reversal of 244897961 is 169798442.

244897961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 244897961 - 2¹⁰ = 244896937 is a prime.

It is a super-2 number, since 2×244897961² = 119950022603915042, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (244897901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35630 + ... + 41943.

It is an arithmetic number, because the mean of its divisors is an integer number (19548648).

Almost surely, 2^244897961 is an apocalyptic number.

It is an amenable number.

244897961 is a deficient number, since it is larger than the sum of its proper divisors (67880407).

244897961 is a wasteful number, since it uses less digits than its factorization.

244897961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77632.

The product of its digits is 870912, while the sum is 50.

The square root of 244897961 is about 15649.2159867515. The cubic root of 244897961 is about 625.6455929593.

The spelling of 244897961 in words is "two hundred forty-four million, eight hundred ninety-seven thousand, nine hundred sixty-one".