3099890 has 8 divisors (see below), whose sum is σ = 5579820. Its totient is φ = 1239952.

The previous prime is 3099809. The next prime is 3099893. The reversal of 3099890 is 989903.

It can be written as a sum of positive squares in 2 ways, for example, as 2719201 + 380689 = 1649^2 + 617^2 .

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 (3099893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154985 + ... + 155004.

Almost surely, 2^3099890 is an apocalyptic number.

3099890 is a deficient number, since it is larger than the sum of its proper divisors (2479930).

3099890 is a wasteful number, since it uses less digits than its factorization.

3099890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309996.

The product of its (nonzero) digits is 17496, while the sum is 38.

The square root of 3099890 is about 1760.6504479879. The cubic root of 3099890 is about 145.8082489282.

The spelling of 3099890 in words is "three million, ninety-nine thousand, eight hundred ninety".