1842078 has 32 divisors (see below), whose sum is σ = 4285440. Its totient is φ = 516960.

The previous prime is 1842073. The next prime is 1842079. The reversal of 1842078 is 8702481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1842073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2203 + ... + 2921.

It is an arithmetic number, because the mean of its divisors is an integer number (133920).

2^1842078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1842078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142720).

1842078 is an abundant number, since it is smaller than the sum of its proper divisors (2443362).

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

1842078 is a wasteful number, since it uses less digits than its factorization.

1842078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 1842078 is about 1357.2317414502. The cubic root of 1842078 is about 122.5846256846.

The spelling of 1842078 in words is "one million, eight hundred forty-two thousand, seventy-eight".