44887321 has 2 divisors, whose sum is σ = 44887322. Its totient is φ = 44887320.

The previous prime is 44887319. The next prime is 44887351. The reversal of 44887321 is 12378844.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44368921 + 518400 = 6661^2 + 720^2 .

It is a cyclic number.

It is not a de Polignac number, because 44887321 - 2¹ = 44887319 is a prime.

Together with 44887319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (44887351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22443660 + 22443661.

It is an arithmetic number, because the mean of its divisors is an integer number (22443661).

Almost surely, 2^44887321 is an apocalyptic number.

It is an amenable number.

44887321 is a deficient number, since it is larger than the sum of its proper divisors (1).

44887321 is an equidigital number, since it uses as much as digits as its factorization.

44887321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43008, while the sum is 37.

The square root of 44887321 is about 6699.8000716439. The cubic root of 44887321 is about 355.3922029175.

The spelling of 44887321 in words is "forty-four million, eight hundred eighty-seven thousand, three hundred twenty-one".