244903989 has 16 divisors (see below), whose sum is σ = 377179200. Its totient is φ = 139695360.

The previous prime is 244903979. The next prime is 244904003. The reversal of 244903989 is 989309442.

244903989 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 244903989 - 2⁴ = 244903973 is a prime.

It is a super-2 number, since 2×244903989² = 119955927656224242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244903979) 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, 217714 + ... + 218835.

It is an arithmetic number, because the mean of its divisors is an integer number (23573700).

Almost surely, 2^244903989 is an apocalyptic number.

It is an amenable number.

244903989 is a deficient number, since it is larger than the sum of its proper divisors (132275211).

244903989 is a wasteful number, since it uses less digits than its factorization.

244903989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436580.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 244903989 is about 15649.4085830743. The cubic root of 244903989 is about 625.6507262002.

The spelling of 244903989 in words is "two hundred forty-four million, nine hundred three thousand, nine hundred eighty-nine".