15928241 has 16 divisors (see below), whose sum is σ = 18933120. Its totient is φ = 13115520.

The previous prime is 15928207. The next prime is 15928247. The reversal of 15928241 is 14282951.

It is a cyclic number.

It is not a de Polignac number, because 15928241 - 2⁶ = 15928177 is a prime.

It is a super-2 number, since 2×15928241² = 507417722708162, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15928198 and 15928207.

It is not an unprimeable number, because it can be changed into a prime (15928247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22706 + ... + 23396.

It is an arithmetic number, because the mean of its divisors is an integer number (1183320).

Almost surely, 2^15928241 is an apocalyptic number.

It is an amenable number.

15928241 is a deficient number, since it is larger than the sum of its proper divisors (3004879).

15928241 is an equidigital number, since it uses as much as digits as its factorization.

15928241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824.

The product of its digits is 5760, while the sum is 32.

The square root of 15928241 is about 3991.0200450511. The cubic root of 15928241 is about 251.6069342520.

The spelling of 15928241 in words is "fifteen million, nine hundred twenty-eight thousand, two hundred forty-one".