44276989 has 4 divisors (see below), whose sum is σ = 44574300. Its totient is φ = 43979680.

The previous prime is 44276977. The next prime is 44277041. The reversal of 44276989 is 98967244.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26988025 + 17288964 = 5195^2 + 4158^2 .

It is a cyclic number.

It is not a de Polignac number, because 44276989 - 2⁷ = 44276861 is a prime.

It is a super-2 number, since 2×44276989² = 3920903509812242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44276929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148432 + ... + 148729.

It is an arithmetic number, because the mean of its divisors is an integer number (11143575).

Almost surely, 2^44276989 is an apocalyptic number.

It is an amenable number.

44276989 is a deficient number, since it is larger than the sum of its proper divisors (297311).

44276989 is a wasteful number, since it uses less digits than its factorization.

44276989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297310.

The product of its digits is 870912, while the sum is 49.

The square root of 44276989 is about 6654.0956560603. The cubic root of 44276989 is about 353.7740932618.

The spelling of 44276989 in words is "forty-four million, two hundred seventy-six thousand, nine hundred eighty-nine".