5309890 has 8 divisors (see below), whose sum is σ = 9557820. Its totient is φ = 2123952.

The previous prime is 5309861. The next prime is 5309891. The reversal of 5309890 is 989035.

It can be written as a sum of positive squares in 2 ways, for example, as 5202961 + 106929 = 2281^2 + 327^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5309891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 265485 + ... + 265504.

Almost surely, 2^5309890 is an apocalyptic number.

5309890 is a deficient number, since it is larger than the sum of its proper divisors (4247930).

5309890 is a wasteful number, since it uses less digits than its factorization.

5309890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530996.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 5309890 is about 2304.3198562700. The cubic root of 5309890 is about 174.4597214665.

The spelling of 5309890 in words is "five million, three hundred nine thousand, eight hundred ninety".