44020897 has 2 divisors, whose sum is σ = 44020898. Its totient is φ = 44020896.

The previous prime is 44020877. The next prime is 44020901. The reversal of 44020897 is 79802044.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34292736 + 9728161 = 5856^2 + 3119^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44020897 is a prime.

It is not a weakly prime, because it can be changed into another prime (44020807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22010448 + 22010449.

It is an arithmetic number, because the mean of its divisors is an integer number (22010449).

Almost surely, 2^44020897 is an apocalyptic number.

It is an amenable number.

44020897 is a deficient number, since it is larger than the sum of its proper divisors (1).

44020897 is an equidigital number, since it uses as much as digits as its factorization.

44020897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 44020897 is about 6634.8245643724. The cubic root of 44020897 is about 353.0907138456.

The spelling of 44020897 in words is "forty-four million, twenty thousand, eight hundred ninety-seven".