1881360 has 160 divisors (see below), whose sum is σ = 7082880. Its totient is φ = 456192.

The previous prime is 1881349. The next prime is 1881389. The reversal of 1881360 is 631881.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28047 + ... + 28113.

It is an arithmetic number, because the mean of its divisors is an integer number (44268).

2^1881360 is an apocalyptic number.

1881360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1881360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3541440).

1881360 is an abundant number, since it is smaller than the sum of its proper divisors (5201520).

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

1881360 is a wasteful number, since it uses less digits than its factorization.

1881360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102 (or 90 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 1881360 is about 1371.6267713923. The cubic root of 1881360 is about 123.4498695610.

The spelling of 1881360 in words is "one million, eight hundred eighty-one thousand, three hundred sixty".