44166393 has 12 divisors (see below), whose sum is σ = 67153840. Its totient is φ = 27894456.

The previous prime is 44166377. The next prime is 44166427. The reversal of 44166393 is 39366144.

44166393 is a `hidden beast` number, since 4 + 4 + 16 + 639 + 3 = 666.

It is not a de Polignac number, because 44166393 - 2⁴ = 44166377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44166373) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128971 + ... + 129312.

Almost surely, 2^44166393 is an apocalyptic number.

It is an amenable number.

44166393 is a deficient number, since it is larger than the sum of its proper divisors (22987447).

44166393 is a wasteful number, since it uses less digits than its factorization.

44166393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258308 (or 258305 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 44166393 is about 6645.7800896509. The cubic root of 44166393 is about 353.4792928672.

The spelling of 44166393 in words is "forty-four million, one hundred sixty-six thousand, three hundred ninety-three".