15439948 has 12 divisors (see below), whose sum is σ = 27951840. Its totient is φ = 7453712.

The previous prime is 15439937. The next prime is 15439979. The reversal of 15439948 is 84993451.

It is a happy number.

15439948 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66436 + ... + 66667.

It is an arithmetic number, because the mean of its divisors is an integer number (2329320).

Almost surely, 2^15439948 is an apocalyptic number.

It is an amenable number.

15439948 is a deficient number, since it is larger than the sum of its proper divisors (12511892).

15439948 is a wasteful number, since it uses less digits than its factorization.

15439948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133136 (or 133134 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 15439948 is about 3929.3699240463. The cubic root of 15439948 is about 249.0091339262.

The spelling of 15439948 in words is "fifteen million, four hundred thirty-nine thousand, nine hundred forty-eight".