16798040 has 64 divisors (see below), whose sum is σ = 45748800. Its totient is φ = 5419008.

The previous prime is 16798021. The next prime is 16798049. The reversal of 16798040 is 4089761.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16798049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2996 + ... + 6524.

It is an arithmetic number, because the mean of its divisors is an integer number (714825).

Almost surely, 2^16798040 is an apocalyptic number.

16798040 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 16798040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22874400).

16798040 is an abundant number, since it is smaller than the sum of its proper divisors (28950760).

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

16798040 is a wasteful number, since it uses less digits than its factorization.

16798040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564 (or 3560 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 16798040 is about 4098.5412038919. The cubic root of 16798040 is about 256.1058725500.

The spelling of 16798040 in words is "sixteen million, seven hundred ninety-eight thousand, forty".