1840368 has 40 divisors (see below), whose sum is σ = 4963968. Its totient is φ = 586432.

The previous prime is 1840351. The next prime is 1840393. The reversal of 1840368 is 8630481.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 271 + ... + 1937.

2^1840368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1840368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2481984).

1840368 is an abundant number, since it is smaller than the sum of its proper divisors (3123600).

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

1840368 is a wasteful number, since it uses less digits than its factorization.

1840368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701 (or 1695 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1840368 is about 1356.6016364431. The cubic root of 1840368 is about 122.5466821942.

The spelling of 1840368 in words is "one million, eight hundred forty thousand, three hundred sixty-eight".