3102849 has 12 divisors (see below), whose sum is σ = 4500496. Its totient is φ = 2059992.

The previous prime is 3102829. The next prime is 3102851. The reversal of 3102849 is 9482013.

It is not a de Polignac number, because 3102849 - 2⁵ = 3102817 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3102809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2202 + ... + 3324.

Almost surely, 2^3102849 is an apocalyptic number.

It is an amenable number.

3102849 is a deficient number, since it is larger than the sum of its proper divisors (1397647).

3102849 is a wasteful number, since it uses less digits than its factorization.

3102849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 1433 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3102849 is about 1761.4905619957. The cubic root of 3102849 is about 145.8546279290.

Subtracting from 3102849 its product of nonzero digits (1728), we obtain a square (3101121 = 1761²).

The spelling of 3102849 in words is "three million, one hundred two thousand, eight hundred forty-nine".