15960449 has 4 divisors (see below), whose sum is σ = 16162560. Its totient is φ = 15758340.

The previous prime is 15960419. The next prime is 15960457. The reversal of 15960449 is 94406951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15960449 - 2¹⁶ = 15894913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15960409) 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 in 3 ways as a sum of consecutive naturals, for example, 100937 + ... + 101094.

It is an arithmetic number, because the mean of its divisors is an integer number (4040640).

Almost surely, 2^15960449 is an apocalyptic number.

It is an amenable number.

15960449 is a deficient number, since it is larger than the sum of its proper divisors (202111).

15960449 is an equidigital number, since it uses as much as digits as its factorization.

15960449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202110.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 15960449 is about 3995.0530659805. The cubic root of 15960449 is about 251.7764089217.

The spelling of 15960449 in words is "fifteen million, nine hundred sixty thousand, four hundred forty-nine".