16980829 has 8 divisors (see below), whose sum is σ = 17705952. Its totient is φ = 16270800.

The previous prime is 16980823. The next prime is 16980833. The reversal of 16980829 is 92808961.

16980829 = 117² + 118² + ... + 374².

It is a happy number.

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 16980829 - 2⁵ = 16980797 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16980823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1447 + ... + 6004.

It is an arithmetic number, because the mean of its divisors is an integer number (2213244).

Almost surely, 2^16980829 is an apocalyptic number.

It is an amenable number.

16980829 is a deficient number, since it is larger than the sum of its proper divisors (725123).

16980829 is an equidigital number, since it uses as much as digits as its factorization.

16980829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7547.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 16980829 is about 4120.7801445843. The cubic root of 16980829 is about 257.0314677311.

The spelling of 16980829 in words is "sixteen million, nine hundred eighty thousand, eight hundred twenty-nine".