1916080 has 40 divisors (see below), whose sum is σ = 4566672. Its totient is φ = 747264.

The previous prime is 1916069. The next prime is 1916099. The reversal of 1916080 is 806191.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3162 + ... + 3718.

2^1916080 is an apocalyptic number.

1916080 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 1916080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2283336).

1916080 is an abundant number, since it is smaller than the sum of its proper divisors (2650592).

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

1916080 is a wasteful number, since it uses less digits than its factorization.

1916080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1916080 is about 1384.2254151691. The cubic root of 1916080 is about 124.2046568337.

The spelling of 1916080 in words is "one million, nine hundred sixteen thousand, eighty".