5918890 has 32 divisors (see below), whose sum is σ = 11597904. Its totient is φ = 2165760.

The previous prime is 5918879. The next prime is 5918909. The reversal of 5918890 is 988195.

It can be written as a sum of positive squares in 8 ways, for example, as 4932841 + 986049 = 2221^2 + 993^2 .

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5820 + ... + 6760.

Almost surely, 2^5918890 is an apocalyptic number.

5918890 is a deficient number, since it is larger than the sum of its proper divisors (5679014).

5918890 is a wasteful number, since it uses less digits than its factorization.

5918890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002.

The product of its (nonzero) digits is 25920, while the sum is 40.

The square root of 5918890 is about 2432.8768978310. The cubic root of 5918890 is about 180.8895269214.

The spelling of 5918890 in words is "five million, nine hundred eighteen thousand, eight hundred ninety".