1885881 has 8 divisors (see below), whose sum is σ = 2528064. Its totient is φ = 1250480.

The previous prime is 1885879. The next prime is 1885907.

1885881 is nontrivially palindromic in base 9 and base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1885881 - 2¹ = 1885879 is a prime.

It is a super-2 number, since 2×1885881² = 7113094292322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1885801) 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, 1005 + ... + 2186.

It is an arithmetic number, because the mean of its divisors is an integer number (316008).

2^1885881 is an apocalyptic number.

It is an amenable number.

1885881 is a deficient number, since it is larger than the sum of its proper divisors (642183).

1885881 is a wasteful number, since it uses less digits than its factorization.

1885881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3391.

The product of its digits is 20480, while the sum is 39.

The square root of 1885881 is about 1373.2738255716. The cubic root of 1885881 is about 123.5486758139.

The spelling of 1885881 in words is "one million, eight hundred eighty-five thousand, eight hundred eighty-one".