16960840 has 64 divisors (see below), whose sum is σ = 41554800. Its totient is φ = 6230016.

The previous prime is 16960817. The next prime is 16960841. The reversal of 16960840 is 4806961.

It can be written as a sum of positive squares in 8 ways, for example, as 2566404 + 14394436 = 1602^2 + 3794^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16960796 and 16960805.

It is not an unprimeable number, because it can be changed into a prime (16960841) 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, 87784 + ... + 87976.

Almost surely, 2^16960840 is an apocalyptic number.

16960840 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 16960840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20777400).

16960840 is an abundant number, since it is smaller than the sum of its proper divisors (24593960).

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

16960840 is a wasteful number, since it uses less digits than its factorization.

16960840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 16960840 is about 4118.3540401476. The cubic root of 16960840 is about 256.9305731808.

It can be divided in two parts, 169 and 60840, that added together give a square (61009 = 247²).

The spelling of 16960840 in words is "sixteen million, nine hundred sixty thousand, eight hundred forty".