39442574 has 16 divisors (see below), whose sum is σ = 61066656. Its totient is φ = 19094400.

The previous prime is 39442573. The next prime is 39442583. The reversal of 39442574 is 47524493.

39442574 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39442573) 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 in 7 ways as a sum of consecutive naturals, for example, 9479 + ... + 12989.

It is an arithmetic number, because the mean of its divisors is an integer number (3816666).

Almost surely, 2^39442574 is an apocalyptic number.

39442574 is a deficient number, since it is larger than the sum of its proper divisors (21624082).

39442574 is a wasteful number, since it uses less digits than its factorization.

39442574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691.

The product of its digits is 120960, while the sum is 38.

The square root of 39442574 is about 6280.3323160483. The cubic root of 39442574 is about 340.3991103275.

The spelling of 39442574 in words is "thirty-nine million, four hundred forty-two thousand, five hundred seventy-four".