5718890 has 16 divisors (see below), whose sum is σ = 10330632. Its totient is φ = 2279424.

The previous prime is 5718863. The next prime is 5718899. The reversal of 5718890 is 988175.

It can be written as a sum of positive squares in 4 ways, for example, as 5257849 + 461041 = 2293^2 + 679^2 .

It is not an unprimeable number, because it can be changed into a prime (5718899) 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, 2522 + ... + 4218.

Almost surely, 2^5718890 is an apocalyptic number.

5718890 is a deficient number, since it is larger than the sum of its proper divisors (4611742).

5718890 is a wasteful number, since it uses less digits than its factorization.

5718890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 5718890 is about 2391.4200802034. The cubic root of 5718890 is about 178.8287116466.

The spelling of 5718890 in words is "five million, seven hundred eighteen thousand, eight hundred ninety".