44394947 has 2 divisors, whose sum is σ = 44394948. Its totient is φ = 44394946.

The previous prime is 44394941. The next prime is 44394989. The reversal of 44394947 is 74949344.

44394947 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 is a cyclic number.

It is not a de Polignac number, because 44394947 - 2¹⁴ = 44378563 is a prime.

It is a super-2 number, since 2×44394947² = 3941822638265618, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 44394898 and 44394907.

It is not a weakly prime, because it can be changed into another prime (44394941) 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, 22197473 + 22197474.

It is an arithmetic number, because the mean of its divisors is an integer number (22197474).

Almost surely, 2^44394947 is an apocalyptic number.

44394947 is a deficient number, since it is larger than the sum of its proper divisors (1).

44394947 is an equidigital number, since it uses as much as digits as its factorization.

44394947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 44.

The square root of 44394947 is about 6662.9533241649. The cubic root of 44394947 is about 354.0879770061.

The spelling of 44394947 in words is "forty-four million, three hundred ninety-four thousand, nine hundred forty-seven".