1840268 has 12 divisors (see below), whose sum is σ = 3230472. Its totient is φ = 917280.

The previous prime is 1840261. The next prime is 1840297. The reversal of 1840268 is 8620481.

It is a self number, because there is not a number n which added to its sum of digits gives 1840268.

It is not an unprimeable number, because it can be changed into a prime (1840261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1496 + ... + 2432.

It is an arithmetic number, because the mean of its divisors is an integer number (269206).

2^1840268 is an apocalyptic number.

It is an amenable number.

1840268 is a deficient number, since it is larger than the sum of its proper divisors (1390204).

1840268 is a wasteful number, since it uses less digits than its factorization.

1840268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432 (or 1430 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1840268 is about 1356.5647791388. The cubic root of 1840268 is about 122.5444625494.

The spelling of 1840268 in words is "one million, eight hundred forty thousand, two hundred sixty-eight".