5208891 has 16 divisors (see below), whose sum is σ = 7180800. Its totient is φ = 3356640.

The previous prime is 5208887. The next prime is 5208911. The reversal of 5208891 is 1988025.

It is a happy number.

It is not a de Polignac number, because 5208891 - 2² = 5208887 is a prime.

5208891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5208821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19086 + ... + 19356.

It is an arithmetic number, because the mean of its divisors is an integer number (448800).

Almost surely, 2^5208891 is an apocalyptic number.

5208891 is a deficient number, since it is larger than the sum of its proper divisors (1971909).

5208891 is a wasteful number, since it uses less digits than its factorization.

5208891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 5208891 is about 2282.2994983131. The cubic root of 5208891 is about 173.3465049984.

The spelling of 5208891 in words is "five million, two hundred eight thousand, eight hundred ninety-one".