16479403 has 4 divisors (see below), whose sum is σ = 17346760. Its totient is φ = 15612048.

The previous prime is 16479347. The next prime is 16479457. The reversal of 16479403 is 30497461.

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: 30497461 = 107 ⋅285023.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16479403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16479493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433650 + ... + 433687.

It is an arithmetic number, because the mean of its divisors is an integer number (4336690).

Almost surely, 2^16479403 is an apocalyptic number.

16479403 is a deficient number, since it is larger than the sum of its proper divisors (867357).

16479403 is an equidigital number, since it uses as much as digits as its factorization.

16479403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867356.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 16479403 is about 4059.4830951736. The cubic root of 16479403 is about 254.4761924766.

The spelling of 16479403 in words is "sixteen million, four hundred seventy-nine thousand, four hundred three".