5442889 has 3 divisors (see below), whose sum is σ = 5445223.
Its totient is φ = 5440556.
The previous prime is 5442859. The next prime is 5442893. The reversal of 5442889 is 9882445.
The square root of 5442889 is 2333.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 1863225 + 3579664 = 1365^2 + 1892^2
It is not a de Polignac number, because 5442889 - 213 = 5434697 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (5442859) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1167 + ... + 3499.
Almost surely, 25442889 is an apocalyptic number.
5442889 is the 2333-rd square number.
5442889 is the 1167-th centered octagonal number.
It is an amenable number.
5442889 is a deficient number, since it is larger than the sum of its proper divisors (2334).
5442889 is an frugal number, since it uses more digits than its factorization.
5442889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4666 (or 2333 counting only the distinct ones).
The product of its digits is 92160, while the sum is 40.
The cubic root of 5442889 is about 175.9043148103.
The spelling of 5442889 in words is "five million, four hundred forty-two thousand, eight hundred eighty-nine".