44890819 has 2 divisors, whose sum is σ = 44890820. Its totient is φ = 44890818.

The previous prime is 44890793. The next prime is 44890843. The reversal of 44890819 is 91809844.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44890819 - 2⁷ = 44890691 is a prime.

It is a super-2 number, since 2×44890819² = 4030371260981522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (44890849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22445409 + 22445410.

It is an arithmetic number, because the mean of its divisors is an integer number (22445410).

Almost surely, 2^44890819 is an apocalyptic number.

44890819 is a deficient number, since it is larger than the sum of its proper divisors (1).

44890819 is an equidigital number, since it uses as much as digits as its factorization.

44890819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 44890819 is about 6700.0611191242. The cubic root of 44890819 is about 355.4014344006.

The spelling of 44890819 in words is "forty-four million, eight hundred ninety thousand, eight hundred nineteen".