15483979 has 4 divisors (see below), whose sum is σ = 17695984. Its totient is φ = 13271976.

The previous prime is 15483977. The next prime is 15483983. The reversal of 15483979 is 97938451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97938451 = 13 ⋅7533727.

It is a cyclic number.

It is not a de Polignac number, because 15483979 - 2¹ = 15483977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15483971) 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, 1105992 + ... + 1106005.

It is an arithmetic number, because the mean of its divisors is an integer number (4423996).

Almost surely, 2^15483979 is an apocalyptic number.

15483979 is a deficient number, since it is larger than the sum of its proper divisors (2212005).

15483979 is an equidigital number, since it uses as much as digits as its factorization.

15483979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212004.

The product of its digits is 272160, while the sum is 46.

The square root of 15483979 is about 3934.9687419343. The cubic root of 15483979 is about 249.2456138961.

The spelling of 15483979 in words is "fifteen million, four hundred eighty-three thousand, nine hundred seventy-nine".