1881346 has 16 divisors (see below), whose sum is σ = 2952000. Its totient is φ = 898128.

The previous prime is 1881343. The next prime is 1881349. The reversal of 1881346 is 6431881.

It is an interprime number because it is at equal distance from previous prime (1881343) and next prime (1881349).

It is not an unprimeable number, because it can be changed into a prime (1881343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9355 + ... + 9553.

It is an arithmetic number, because the mean of its divisors is an integer number (184500).

2^1881346 is an apocalyptic number.

1881346 is a deficient number, since it is larger than the sum of its proper divisors (1070654).

1881346 is a wasteful number, since it uses less digits than its factorization.

1881346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393.

The product of its digits is 4608, while the sum is 31.

The square root of 1881346 is about 1371.6216679537. The cubic root of 1881346 is about 123.4495633459.

The spelling of 1881346 in words is "one million, eight hundred eighty-one thousand, three hundred forty-six".