1881874 has 8 divisors (see below), whose sum is σ = 2971440. Its totient is φ = 891396.

The previous prime is 1881863. The next prime is 1881881. The reversal of 1881874 is 4781881.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24724 + ... + 24799.

It is an arithmetic number, because the mean of its divisors is an integer number (371430).

2^1881874 is an apocalyptic number.

1881874 is a deficient number, since it is larger than the sum of its proper divisors (1089566).

1881874 is a wasteful number, since it uses less digits than its factorization.

1881874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49544.

The product of its digits is 14336, while the sum is 37.

The square root of 1881874 is about 1371.8141273511. The cubic root of 1881874 is about 123.4611109777.

It can be divided in two parts, 188187 and 4, that added together give a triangular number (188191 = T₆₁₃).

The spelling of 1881874 in words is "one million, eight hundred eighty-one thousand, eight hundred seventy-four".