16999794 has 96 divisors (see below), whose sum is σ = 46126080. Its totient is φ = 4583952.

The previous prime is 16999781. The next prime is 16999799. The reversal of 16999794 is 49799961.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 16999794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16999799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 64507 + ... + 64769.

It is an arithmetic number, because the mean of its divisors is an integer number (480480).

Almost surely, 2^16999794 is an apocalyptic number.

16999794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 16999794, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23063040).

16999794 is an abundant number, since it is smaller than the sum of its proper divisors (29126286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16999794 is a wasteful number, since it uses less digits than its factorization.

16999794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 294 counting only the distinct ones).

The product of its digits is 1102248, while the sum is 54.

The square root of 16999794 is about 4123.0806443726. The cubic root of 16999794 is about 257.1271204655.

The spelling of 16999794 in words is "sixteen million, nine hundred ninety-nine thousand, seven hundred ninety-four".