16478249 has 8 divisors (see below), whose sum is σ = 16760640. Its totient is φ = 16198416.

The previous prime is 16478243. The next prime is 16478257. The reversal of 16478249 is 94287461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16478249 - 2⁴ = 16478233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16478243) 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 7 ways as a sum of consecutive naturals, for example, 15662 + ... + 16680.

It is an arithmetic number, because the mean of its divisors is an integer number (2095080).

Almost surely, 2^16478249 is an apocalyptic number.

It is an amenable number.

16478249 is a deficient number, since it is larger than the sum of its proper divisors (282391).

16478249 is a wasteful number, since it uses less digits than its factorization.

16478249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279.

The product of its digits is 96768, while the sum is 41.

The square root of 16478249 is about 4059.3409563623. The cubic root of 16478249 is about 254.4702522860.

The spelling of 16478249 in words is "sixteen million, four hundred seventy-eight thousand, two hundred forty-nine".