1930680 has 96 divisors (see below), whose sum is σ = 6514560. Its totient is φ = 495360.

The previous prime is 1930679. The next prime is 1930693. The reversal of 1930680 is 860391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11074 + ... + 11246.

It is an arithmetic number, because the mean of its divisors is an integer number (67860).

2^1930680 is an apocalyptic number.

1930680 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 1930680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3257280).

1930680 is an abundant number, since it is smaller than the sum of its proper divisors (4583880).

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

1930680 is a wasteful number, since it uses less digits than its factorization.

1930680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1930680 is about 1389.4891147469. The cubic root of 1930680 is about 124.5193273329.

The spelling of 1930680 in words is "one million, nine hundred thirty thousand, six hundred eighty".