44387669 has 2 divisors, whose sum is σ = 44387670. Its totient is φ = 44387668.

The previous prime is 44387657. The next prime is 44387689. The reversal of 44387669 is 96678344.

44387669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29833444 + 14554225 = 5462^2 + 3815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44387669 is a prime.

It is a super-2 number, since 2×44387669² = 3940530318507122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44387689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22193834 + 22193835.

It is an arithmetic number, because the mean of its divisors is an integer number (22193835).

Almost surely, 2^44387669 is an apocalyptic number.

It is an amenable number.

44387669 is a deficient number, since it is larger than the sum of its proper divisors (1).

44387669 is an equidigital number, since it uses as much as digits as its factorization.

44387669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 44387669 is about 6662.4071475706. The cubic root of 44387669 is about 354.0686265071.

The spelling of 44387669 in words is "forty-four million, three hundred eighty-seven thousand, six hundred sixty-nine".