16806740 has 24 divisors (see below), whose sum is σ = 35894880. Its totient is φ = 6608288.

The previous prime is 16806737. The next prime is 16806763. The reversal of 16806740 is 4760861.

It is a junction number, because it is equal to n+sod(n) for n = 16806697 and 16806706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5942 + ... + 8301.

It is an arithmetic number, because the mean of its divisors is an integer number (1495620).

Almost surely, 2^16806740 is an apocalyptic number.

16806740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16806740 is an abundant number, since it is smaller than the sum of its proper divisors (19088140).

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

16806740 is a wasteful number, since it uses less digits than its factorization.

16806740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14311 (or 14309 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 16806740 is about 4099.6024197476. The cubic root of 16806740 is about 256.1500788292.

The spelling of 16806740 in words is "sixteen million, eight hundred six thousand, seven hundred forty".