15240928 has 12 divisors (see below), whose sum is σ = 30005640. Its totient is φ = 7620448.

The previous prime is 15240923. The next prime is 15240937. The reversal of 15240928 is 82904251.

It is a self number, because there is not a number n which added to its sum of digits gives 15240928.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15240923) by changing a digit.

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 as a sum of consecutive naturals, namely, 238108 + ... + 238171.

It is an arithmetic number, because the mean of its divisors is an integer number (2500470).

Almost surely, 2^15240928 is an apocalyptic number.

It is an amenable number.

15240928 is a deficient number, since it is larger than the sum of its proper divisors (14764712).

15240928 is an equidigital number, since it uses as much as digits as its factorization.

15240928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476289 (or 476281 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 15240928 is about 3903.9631145798. The cubic root of 15240928 is about 247.9345994733.

The spelling of 15240928 in words is "fifteen million, two hundred forty thousand, nine hundred twenty-eight".