39219044 has 12 divisors (see below), whose sum is σ = 68735100. Its totient is φ = 19580448.

The previous prime is 39219041. The next prime is 39219073. The reversal of 39219044 is 44091293.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5579044 + 33640000 = 2362^2 + 5800^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 39219044.

It is not an unprimeable number, because it can be changed into a prime (39219041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4079 + ... + 9750.

It is an arithmetic number, because the mean of its divisors is an integer number (5727925).

Almost surely, 2^39219044 is an apocalyptic number.

It is an amenable number.

39219044 is a deficient number, since it is larger than the sum of its proper divisors (29516056).

39219044 is a wasteful number, since it uses less digits than its factorization.

39219044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14542 (or 14540 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 39219044 is about 6262.5109979943. The cubic root of 39219044 is about 339.7548521202.

The spelling of 39219044 in words is "thirty-nine million, two hundred nineteen thousand, forty-four".