1830156 has 48 divisors (see below), whose sum is σ = 4704000. Its totient is φ = 551232.

The previous prime is 1830119. The next prime is 1830163. The reversal of 1830156 is 6510381.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5070 + ... + 5418.

It is an arithmetic number, because the mean of its divisors is an integer number (98000).

2^1830156 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 1830156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2352000).

1830156 is an abundant number, since it is smaller than the sum of its proper divisors (2873844).

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

1830156 is a wasteful number, since it uses less digits than its factorization.

1830156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 396 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 1830156 is about 1352.8325838773. The cubic root of 1830156 is about 122.3195956199.

The spelling of 1830156 in words is "one million, eight hundred thirty thousand, one hundred fifty-six".