1881846 has 16 divisors (see below), whose sum is σ = 4182000. Its totient is φ = 627264.

The previous prime is 1881823. The next prime is 1881851. The reversal of 1881846 is 6481881.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1881846.

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, 17371 + ... + 17478.

It is an arithmetic number, because the mean of its divisors is an integer number (261375).

2^1881846 is an apocalyptic number.

1881846 is an abundant number, since it is smaller than the sum of its proper divisors (2300154).

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

1881846 is a wasteful number, since it uses less digits than its factorization.

1881846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34860 (or 34854 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 1881846 is about 1371.8039218489. The cubic root of 1881846 is about 123.4604986576.

The spelling of 1881846 in words is "one million, eight hundred eighty-one thousand, eight hundred forty-six".