5918881 has 8 divisors (see below), whose sum is σ = 6073704. Its totient is φ = 5765760.

The previous prime is 5918879. The next prime is 5918909. The reversal of 5918881 is 1888195.

It can be written as a sum of positive squares in 4 ways, for example, as 115600 + 5803281 = 340^2 + 2409^2 .

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 5918881 - 2¹ = 5918879 is a prime.

It is a super-2 number, since 2×5918881² = 70066304584322, which contains 22 as substring.

It is a Duffinian number.

5918881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5918681) 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, 9285 + ... + 9901.

It is an arithmetic number, because the mean of its divisors is an integer number (759213).

Almost surely, 2^5918881 is an apocalyptic number.

It is an amenable number.

5918881 is a deficient number, since it is larger than the sum of its proper divisors (154823).

5918881 is a wasteful number, since it uses less digits than its factorization.

5918881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851.

The product of its digits is 23040, while the sum is 40.

The square root of 5918881 is about 2432.8750481683. The cubic root of 5918881 is about 180.8894352371.

The spelling of 5918881 in words is "five million, nine hundred eighteen thousand, eight hundred eighty-one".