44390249 has 8 divisors (see below), whose sum is σ = 46221000. Its totient is φ = 42595200.

The previous prime is 44390237. The next prime is 44390257. The reversal of 44390249 is 94209344.

It can be written as a sum of positive squares in 4 ways, for example, as 8809024 + 35581225 = 2968^2 + 5965^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44390249 - 2⁸ = 44389993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44390209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6374 + ... + 11375.

It is an arithmetic number, because the mean of its divisors is an integer number (5777625).

Almost surely, 2^44390249 is an apocalyptic number.

It is an amenable number.

44390249 is a deficient number, since it is larger than the sum of its proper divisors (1830751).

44390249 is a wasteful number, since it uses less digits than its factorization.

44390249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17851.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 44390249 is about 6662.6007684687. The cubic root of 44390249 is about 354.0754863654.

The spelling of 44390249 in words is "forty-four million, three hundred ninety thousand, two hundred forty-nine".