1840668 has 24 divisors (see below), whose sum is σ = 4326672. Its totient is φ = 609024.

The previous prime is 1840651. The next prime is 1840669. The reversal of 1840668 is 8660481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1840669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1396 + ... + 2372.

It is an arithmetic number, because the mean of its divisors is an integer number (180278).

2^1840668 is an apocalyptic number.

It is an amenable number.

1840668 is an abundant number, since it is smaller than the sum of its proper divisors (2486004).

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

1840668 is a wasteful number, since it uses less digits than its factorization.

1840668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141 (or 1139 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 1840668 is about 1356.7122023480. The cubic root of 1840668 is about 122.5533406465.

The spelling of 1840668 in words is "one million, eight hundred forty thousand, six hundred sixty-eight".