1941680 has 40 divisors (see below), whose sum is σ = 4864272. Its totient is φ = 716544.

The previous prime is 1941677. The next prime is 1941707. The reversal of 1941680 is 861491.

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

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, 107 + ... + 1973.

2^1941680 is an apocalyptic number.

1941680 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 1941680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2432136).

1941680 is an abundant number, since it is smaller than the sum of its proper divisors (2922592).

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

1941680 is a wasteful number, since it uses less digits than its factorization.

1941680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893 (or 1887 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1941680 is about 1393.4417820634. The cubic root of 1941680 is about 124.7553615285.

The spelling of 1941680 in words is "one million, nine hundred forty-one thousand, six hundred eighty".