44189897 has 2 divisors, whose sum is σ = 44189898. Its totient is φ = 44189896.

The previous prime is 44189891. The next prime is 44189927. The reversal of 44189897 is 79898144.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26050816 + 18139081 = 5104^2 + 4259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44189897 is a prime.

It is not a weakly prime, because it can be changed into another prime (44189891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22094948 + 22094949.

It is an arithmetic number, because the mean of its divisors is an integer number (22094949).

Almost surely, 2^44189897 is an apocalyptic number.

It is an amenable number.

44189897 is a deficient number, since it is larger than the sum of its proper divisors (1).

44189897 is an equidigital number, since it uses as much as digits as its factorization.

44189897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 50.

The square root of 44189897 is about 6647.5481946354. The cubic root of 44189897 is about 353.5419853609.

The spelling of 44189897 in words is "forty-four million, one hundred eighty-nine thousand, eight hundred ninety-seven".