39444494 has 16 divisors (see below), whose sum is σ = 64990080. Its totient is φ = 17871480.

The previous prime is 39444487. The next prime is 39444497. The reversal of 39444494 is 49444493.

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 7 ways as a sum of consecutive naturals, for example, 21692 + ... + 23439.

It is an arithmetic number, because the mean of its divisors is an integer number (4061880).

Almost surely, 2^39444494 is an apocalyptic number.

39444494 is a deficient number, since it is larger than the sum of its proper divisors (25545586).

39444494 is a wasteful number, since it uses less digits than its factorization.

39444494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45175.

The product of its digits is 248832, while the sum is 41.

The square root of 39444494 is about 6280.4851723414. The cubic root of 39444494 is about 340.4046335953.

Subtracting 39444494 from its reverse (49444493), we obtain a palindrome (9999999).

The spelling of 39444494 in words is "thirty-nine million, four hundred forty-four thousand, four hundred ninety-four".