44209289 has 8 divisors (see below), whose sum is σ = 47205312. Its totient is φ = 41302800.

The previous prime is 44209279. The next prime is 44209303. The reversal of 44209289 is 98290244.

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 44209289 - 2⁴ = 44209273 is a prime.

It is a super-2 number, since 2×44209289² = 3908922467771042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44209229) 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, 21362 + ... + 23339.

It is an arithmetic number, because the mean of its divisors is an integer number (5900664).

Almost surely, 2^44209289 is an apocalyptic number.

It is an amenable number.

44209289 is a deficient number, since it is larger than the sum of its proper divisors (2996023).

44209289 is a wasteful number, since it uses less digits than its factorization.

44209289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44767.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 44209289 is about 6649.0066175332. The cubic root of 44209289 is about 353.5936931345.

The spelling of 44209289 in words is "forty-four million, two hundred nine thousand, two hundred eighty-nine".