44890 has 12 divisors (see below), whose sum is σ = 82026. Its totient is φ = 17688.

The previous prime is 44887. The next prime is 44893. The reversal of 44890 is 9844.

44890 is an esthetic number in base 6, because in such base its adjacent digits differ by 1.

It is an interprime number because it is at equal distance from previous prime (44887) and next prime (44893).

It can be written as a sum of positive squares in only one way, i.e., 40401 + 4489 = 201^2 + 67^2 .

It is a super-2 number, since 2×44890² = 4030224200, which contains 22 as substring.

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (44893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 637 + ... + 703.

2⁴⁴⁸⁹⁰ is an apocalyptic number.

44890 is a deficient number, since it is larger than the sum of its proper divisors (37136).

44890 is an equidigital number, since it uses as much as digits as its factorization.

44890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 74 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 44890 is about 211.8726032313. The cubic root of 44890 is about 35.5399273041.

The spelling of 44890 in words is "forty-four thousand, eight hundred ninety".