16828379 has 4 divisors (see below), whose sum is σ = 16841184. Its totient is φ = 16815576.

The previous prime is 16828373. The next prime is 16828403. The reversal of 16828379 is 97382861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16828379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16828373) 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, 4172 + ... + 7145.

It is an arithmetic number, because the mean of its divisors is an integer number (4210296).

Almost surely, 2^16828379 is an apocalyptic number.

16828379 is a deficient number, since it is larger than the sum of its proper divisors (12805).

16828379 is a wasteful number, since it uses less digits than its factorization.

16828379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804.

The product of its digits is 145152, while the sum is 44.

The square root of 16828379 is about 4102.2407291625. The cubic root of 16828379 is about 256.2599643954.

The spelling of 16828379 in words is "sixteen million, eight hundred twenty-eight thousand, three hundred seventy-nine".