15438248 has 32 divisors (see below), whose sum is σ = 34152960. Its totient is φ = 6402240.

The previous prime is 15438233. The next prime is 15438251. The reversal of 15438248 is 84283451.

15438248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 249³-1.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2711 + ... + 6182.

It is an arithmetic number, because the mean of its divisors is an integer number (1067280).

Almost surely, 2^15438248 is an apocalyptic number.

It is an amenable number.

15438248 is an abundant number, since it is smaller than the sum of its proper divisors (18714712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15438248 is a wasteful number, since it uses less digits than its factorization.

15438248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8937 (or 8933 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 15438248 is about 3929.1535984229. The cubic root of 15438248 is about 248.9999946237. Note that the first 5 decimals are identical.

The spelling of 15438248 in words is "fifteen million, four hundred thirty-eight thousand, two hundred forty-eight".