3020849 has 8 divisors (see below), whose sum is σ = 3444840. Its totient is φ = 2624256.

The previous prime is 3020833. The next prime is 3020851. The reversal of 3020849 is 9480203.

It can be written as a sum of positive squares in 4 ways, for example, as 640000 + 2380849 = 800^2 + 1543^2 .

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

It is not a de Polignac number, because 3020849 - 2⁴ = 3020833 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 (3020819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6614 + ... + 7055.

It is an arithmetic number, because the mean of its divisors is an integer number (430605).

Almost surely, 2^3020849 is an apocalyptic number.

It is an amenable number.

3020849 is a deficient number, since it is larger than the sum of its proper divisors (423991).

3020849 is a wasteful number, since it uses less digits than its factorization.

3020849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13699.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3020849 is about 1738.0589748337. The cubic root of 3020849 is about 144.5582911576.

It can be divided in two parts, 3020 and 849, that multiplied together give a triangular number (2563980 = T₂₂₆₄).

The spelling of 3020849 in words is "three million, twenty thousand, eight hundred forty-nine".