1840842 has 24 divisors (see below), whose sum is σ = 4118400. Its totient is φ = 593640.

The previous prime is 1840829. The next prime is 1840843. The reversal of 1840842 is 2480481.

It is not an unprimeable number, because it can be changed into a prime (1840843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1092 + ... + 2207.

It is an arithmetic number, because the mean of its divisors is an integer number (171600).

2^1840842 is an apocalyptic number.

1840842 is an abundant number, since it is smaller than the sum of its proper divisors (2277558).

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

1840842 is a wasteful number, since it uses less digits than its factorization.

1840842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 1840842 is about 1356.7763264444. The cubic root of 1840842 is about 122.5572022173.

The spelling of 1840842 in words is "one million, eight hundred forty thousand, eight hundred forty-two".