39444493 has 16 divisors (see below), whose sum is σ = 44808192. Its totient is φ = 34398000.

The previous prime is 39444487. The next prime is 39444497.

39444493 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 39444493 - 2²⁵ = 5890061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39444497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44230 + ... + 45112.

It is an arithmetic number, because the mean of its divisors is an integer number (2800512).

Almost surely, 2^39444493 is an apocalyptic number.

It is an amenable number.

39444493 is a deficient number, since it is larger than the sum of its proper divisors (5363699).

39444493 is a wasteful number, since it uses less digits than its factorization.

39444493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056.

The product of its digits is 186624, while the sum is 40.

The square root of 39444493 is about 6280.4850927297. The cubic root of 39444493 is about 340.4046307186.

The spelling of 39444493 in words is "thirty-nine million, four hundred forty-four thousand, four hundred ninety-three".