1930986 has 16 divisors (see below), whose sum is σ = 4291200. Its totient is φ = 643644.

The previous prime is 1930969. The next prime is 1931009. The reversal of 1930986 is 6890391.

It is a self number, because there is not a number n which added to its sum of digits gives 1930986.

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, 17826 + ... + 17933.

It is an arithmetic number, because the mean of its divisors is an integer number (268200).

2^1930986 is an apocalyptic number.

1930986 is an abundant number, since it is smaller than the sum of its proper divisors (2360214).

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

1930986 is a wasteful number, since it uses less digits than its factorization.

1930986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35770 (or 35764 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1930986 is about 1389.5992227977. The cubic root of 1930986 is about 124.5259054817.

It can be divided in two parts, 1930 and 986, that added together give a square (2916 = 54²).

The spelling of 1930986 in words is "one million, nine hundred thirty thousand, nine hundred eighty-six".