39944488 has 8 divisors (see below), whose sum is σ = 74895930. Its totient is φ = 19972240.

The previous prime is 39944473. The next prime is 39944507. The reversal of 39944488 is 88444993.

It can be written as a sum of positive squares in only one way, i.e., 23639044 + 16305444 = 4862^2 + 4038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2496523 + ... + 2496538.

Almost surely, 2^39944488 is an apocalyptic number.

It is an amenable number.

39944488 is a deficient number, since it is larger than the sum of its proper divisors (34951442).

39944488 is a wasteful number, since it uses less digits than its factorization.

39944488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993067 (or 4993063 counting only the distinct ones).

The product of its digits is 995328, while the sum is 49.

The square root of 39944488 is about 6320.1651877146. The cubic root of 39944488 is about 341.8369091177.

The spelling of 39944488 in words is "thirty-nine million, nine hundred forty-four thousand, four hundred eighty-eight".