44297890 has 32 divisors (see below), whose sum is σ = 98138880. Its totient is φ = 14019264.

The previous prime is 44297887. The next prime is 44297909. The reversal of 44297890 is 9879244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23430 + ... + 25249.

It is an arithmetic number, because the mean of its divisors is an integer number (3066840).

Almost surely, 2^44297890 is an apocalyptic number.

44297890 is an abundant number, since it is smaller than the sum of its proper divisors (53840990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44297890 is a wasteful number, since it uses less digits than its factorization.

44297890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48706.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 44297890 is about 6655.6660072453. Note that the first 3 decimals coincide. The cubic root of 44297890 is about 353.8297509846.

The spelling of 44297890 in words is "forty-four million, two hundred ninety-seven thousand, eight hundred ninety".