1940868 has 24 divisors (see below), whose sum is σ = 5032160. Its totient is φ = 646920.

The previous prime is 1940849. The next prime is 1940881. The reversal of 1940868 is 8680491.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 8878 + ... + 9093.

2^1940868 is an apocalyptic number.

1940868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1940868 is an abundant number, since it is smaller than the sum of its proper divisors (3091292).

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

1940868 is a wasteful number, since it uses less digits than its factorization.

1940868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17984 (or 17976 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1940868 is about 1393.1503867135. The cubic root of 1940868 is about 124.7379684328.

The spelling of 1940868 in words is "one million, nine hundred forty thousand, eight hundred sixty-eight".