1881414 has 16 divisors (see below), whose sum is σ = 4181040. Its totient is φ = 627120.

The previous prime is 1881403. The next prime is 1881419. The reversal of 1881414 is 4141881.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1881419) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17367 + ... + 17474.

It is an arithmetic number, because the mean of its divisors is an integer number (261315).

2^1881414 is an apocalyptic number.

1881414 is an abundant number, since it is smaller than the sum of its proper divisors (2299626).

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

1881414 is a wasteful number, since it uses less digits than its factorization.

1881414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34852 (or 34846 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 1881414 is about 1371.6464559062. The cubic root of 1881414 is about 123.4510506621.

The spelling of 1881414 in words is "one million, eight hundred eighty-one thousand, four hundred fourteen".