39889448 has 8 divisors (see below), whose sum is σ = 74792730. Its totient is φ = 19944720.

The previous prime is 39889439. The next prime is 39889457. The reversal of 39889448 is 84498893.

It is an interprime number because it is at equal distance from previous prime (39889439) and next prime (39889457).

It can be written as a sum of positive squares in only one way, i.e., 29789764 + 10099684 = 5458^2 + 3178^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 39889448.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2493083 + ... + 2493098.

Almost surely, 2^39889448 is an apocalyptic number.

It is an amenable number.

39889448 is a deficient number, since it is larger than the sum of its proper divisors (34903282).

39889448 is a wasteful number, since it uses less digits than its factorization.

39889448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4986187 (or 4986183 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 53.

The square root of 39889448 is about 6315.8093701441. The cubic root of 39889448 is about 341.6798298584.

The spelling of 39889448 in words is "thirty-nine million, eight hundred eighty-nine thousand, four hundred forty-eight".