16828249 has 16 divisors (see below), whose sum is σ = 18772992. Its totient is φ = 15003648.

The previous prime is 16828237. The next prime is 16828261. The reversal of 16828249 is 94282861.

It is an interprime number because it is at equal distance from previous prime (16828237) and next prime (16828261).

It is a cyclic number.

It is not a de Polignac number, because 16828249 - 2¹⁵ = 16795481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16828289) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75352 + ... + 75574.

It is an arithmetic number, because the mean of its divisors is an integer number (1173312).

Almost surely, 2^16828249 is an apocalyptic number.

It is an amenable number.

16828249 is a deficient number, since it is larger than the sum of its proper divisors (1944743).

16828249 is a wasteful number, since it uses less digits than its factorization.

16828249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456.

The product of its digits is 55296, while the sum is 40.

The square root of 16828249 is about 4102.2248841330. The cubic root of 16828249 is about 256.2593045204.

The spelling of 16828249 in words is "sixteen million, eight hundred twenty-eight thousand, two hundred forty-nine".