5109890 has 8 divisors (see below), whose sum is σ = 9197820. Its totient is φ = 2043952.

The previous prime is 5109883. The next prime is 5109899. The reversal of 5109890 is 989015.

It can be written as a sum of positive squares in 2 ways, for example, as 4897369 + 212521 = 2213^2 + 461^2 .

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

It is a super-2 number, since 2×5109890² = 52221951624200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5109899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255485 + ... + 255504.

Almost surely, 2^5109890 is an apocalyptic number.

5109890 is a deficient number, since it is larger than the sum of its proper divisors (4087930).

5109890 is a wasteful number, since it uses less digits than its factorization.

5109890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510996.

The product of its (nonzero) digits is 3240, while the sum is 32.

The square root of 5109890 is about 2260.5065803930. The cubic root of 5109890 is about 172.2412559994.

The spelling of 5109890 in words is "five million, one hundred nine thousand, eight hundred ninety".