3099842 has 4 divisors (see below), whose sum is σ = 4649766. Its totient is φ = 1549920.

The previous prime is 3099809. The next prime is 3099893. The reversal of 3099842 is 2489903.

3099842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2489903 = 13 ⋅191531.

It can be written as a sum of positive squares in only one way, i.e., 1825201 + 1274641 = 1351^2 + 1129^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 774959 + ... + 774962.

Almost surely, 2^3099842 is an apocalyptic number.

3099842 is a deficient number, since it is larger than the sum of its proper divisors (1549924).

3099842 is a wasteful number, since it uses less digits than its factorization.

3099842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549923.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3099842 is about 1760.6368166093. The cubic root of 3099842 is about 145.8074963389.

The spelling of 3099842 in words is "three million, ninety-nine thousand, eight hundred forty-two".