1881316 has 12 divisors (see below), whose sum is σ = 3362688. Its totient is φ = 920552.

The previous prime is 1881311. The next prime is 1881329. The reversal of 1881316 is 6131881.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1881311) 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 3 ways as a sum of consecutive naturals, for example, 4816 + ... + 5191.

It is an arithmetic number, because the mean of its divisors is an integer number (280224).

2^1881316 is an apocalyptic number.

It is an amenable number.

1881316 is a deficient number, since it is larger than the sum of its proper divisors (1481372).

1881316 is a wasteful number, since it uses less digits than its factorization.

1881316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10058 (or 10056 counting only the distinct ones).

The product of its digits is 1152, while the sum is 28.

The square root of 1881316 is about 1371.6107319498. The cubic root of 1881316 is about 123.4489071656.

It can be divided in two parts, 1881 and 316, that added together give a cube (2197 = 13³).

The spelling of 1881316 in words is "one million, eight hundred eighty-one thousand, three hundred sixteen".