1881038 has 16 divisors (see below), whose sum is σ = 3024000. Its totient is φ = 874872.

The previous prime is 1881037. The next prime is 1881041. The reversal of 1881038 is 8301881.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1881038.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1823 + ... + 2661.

It is an arithmetic number, because the mean of its divisors is an integer number (189000).

2^1881038 is an apocalyptic number.

1881038 is a deficient number, since it is larger than the sum of its proper divisors (1142962).

1881038 is a wasteful number, since it uses less digits than its factorization.

1881038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 1881038 is about 1371.5093874998. The cubic root of 1881038 is about 123.4428262296.

The spelling of 1881038 in words is "one million, eight hundred eighty-one thousand, thirty-eight".