44028869 has 2 divisors, whose sum is σ = 44028870. Its totient is φ = 44028868.

The previous prime is 44028841. The next prime is 44028889. The reversal of 44028869 is 96882044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39564100 + 4464769 = 6290^2 + 2113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44028869 is a prime.

It is a super-2 number, since 2×44028869² = 3877082610838322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44028839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22014434 + 22014435.

It is an arithmetic number, because the mean of its divisors is an integer number (22014435).

Almost surely, 2^44028869 is an apocalyptic number.

It is an amenable number.

44028869 is a deficient number, since it is larger than the sum of its proper divisors (1).

44028869 is an equidigital number, since it uses as much as digits as its factorization.

44028869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 44028869 is about 6635.4253066401. The cubic root of 44028869 is about 353.1120269753.

The spelling of 44028869 in words is "forty-four million, twenty-eight thousand, eight hundred sixty-nine".