16799420 has 48 divisors (see below), whose sum is σ = 40521600. Its totient is φ = 5785920.

The previous prime is 16799413. The next prime is 16799423. The reversal of 16799420 is 2499761.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16799423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2171 + ... + 6189.

It is an arithmetic number, because the mean of its divisors is an integer number (844200).

Almost surely, 2^16799420 is an apocalyptic number.

16799420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16799420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20260800).

16799420 is an abundant number, since it is smaller than the sum of its proper divisors (23722180).

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

16799420 is a wasteful number, since it uses less digits than its factorization.

16799420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4058 (or 4056 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 16799420 is about 4098.7095530179. The cubic root of 16799420 is about 256.1128855988.

The spelling of 16799420 in words is "sixteen million, seven hundred ninety-nine thousand, four hundred twenty".