44439393 has 16 divisors (see below), whose sum is σ = 60788736. Its totient is φ = 28864080.

The previous prime is 44439389. The next prime is 44439401. The reversal of 44439393 is 39393444.

It is not a de Polignac number, because 44439393 - 2² = 44439389 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44439383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37630 + ... + 38792.

It is an arithmetic number, because the mean of its divisors is an integer number (3799296).

Almost surely, 2^44439393 is an apocalyptic number.

It is an amenable number.

44439393 is a deficient number, since it is larger than the sum of its proper divisors (16349343).

44439393 is a wasteful number, since it uses less digits than its factorization.

44439393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484.

The product of its digits is 139968, while the sum is 39.

The square root of 44439393 is about 6666.2877975677. The cubic root of 44439393 is about 354.2061026506.

The spelling of 44439393 in words is "forty-four million, four hundred thirty-nine thousand, three hundred ninety-three".