1842156 has 48 divisors (see below), whose sum is σ = 4915680. Its totient is φ = 596160.

The previous prime is 1842151. The next prime is 1842161. The reversal of 1842156 is 6512481.

It is an interprime number because it is at equal distance from previous prime (1842151) and next prime (1842161).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1842151) 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, 3766 + ... + 4226.

It is an arithmetic number, because the mean of its divisors is an integer number (102410).

2^1842156 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 1842156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2457840).

1842156 is an abundant number, since it is smaller than the sum of its proper divisors (3073524).

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

1842156 is a wasteful number, since it uses less digits than its factorization.

1842156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 503 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 1842156 is about 1357.2604761062. The cubic root of 1842156 is about 122.5863558803.

The spelling of 1842156 in words is "one million, eight hundred forty-two thousand, one hundred fifty-six".