15240666 has 24 divisors (see below), whose sum is σ = 35458560. Its totient is φ = 4354392.

The previous prime is 15240629. The next prime is 15240713. The reversal of 15240666 is 66604251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25626 + ... + 26213.

It is an arithmetic number, because the mean of its divisors is an integer number (1477440).

Almost surely, 2^15240666 is an apocalyptic number.

15240666 is an abundant number, since it is smaller than the sum of its proper divisors (20217894).

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

15240666 is a wasteful number, since it uses less digits than its factorization.

15240666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51858 (or 51851 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 15240666 is about 3903.9295587907. The cubic root of 15240666 is about 247.9331787541.

The spelling of 15240666 in words is "fifteen million, two hundred forty thousand, six hundred sixty-six".