15215948 has 12 divisors (see below), whose sum is σ = 29048712. Its totient is φ = 6916320.

The previous prime is 15215933. The next prime is 15215951. The reversal of 15215948 is 84951251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172865 + ... + 172952.

It is an arithmetic number, because the mean of its divisors is an integer number (2420726).

Almost surely, 2^15215948 is an apocalyptic number.

It is an amenable number.

15215948 is a deficient number, since it is larger than the sum of its proper divisors (13832764).

15215948 is a wasteful number, since it uses less digits than its factorization.

15215948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345832 (or 345830 counting only the distinct ones).

The product of its digits is 14400, while the sum is 35.

The square root of 15215948 is about 3900.7624895653. The cubic root of 15215948 is about 247.7990698201.

The spelling of 15215948 in words is "fifteen million, two hundred fifteen thousand, nine hundred forty-eight".