1881064 has 16 divisors (see below), whose sum is σ = 3576420. Its totient is φ = 927360.

The previous prime is 1881041. The next prime is 1881071. The reversal of 1881064 is 4601881.

It can be written as a sum of positive squares in 2 ways, for example, as 1822500 + 58564 = 1350^2 + 242^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027 + ... + 2194.

2^1881064 is an apocalyptic number.

It is an amenable number.

1881064 is a deficient number, since it is larger than the sum of its proper divisors (1695356).

1881064 is a wasteful number, since it uses less digits than its factorization.

1881064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3300 (or 3296 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1881064 is about 1371.5188660751. The cubic root of 1881064 is about 123.4433949756.

The spelling of 1881064 in words is "one million, eight hundred eighty-one thousand, sixty-four".