3020605 has 12 divisors (see below), whose sum is σ = 4216860. Its totient is φ = 2071104.

The previous prime is 3020599. The next prime is 3020617. The reversal of 3020605 is 5060203.

It can be written as a sum of positive squares in 2 ways, for example, as 337561 + 2683044 = 581^2 + 1638^2 .

It is not a de Polignac number, because 3020605 - 2¹³ = 3012413 is a prime.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5920 + ... + 6409.

It is an arithmetic number, because the mean of its divisors is an integer number (351405).

Almost surely, 2^3020605 is an apocalyptic number.

3020605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3020605 is a deficient number, since it is larger than the sum of its proper divisors (1196255).

3020605 is a wasteful number, since it uses less digits than its factorization.

3020605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12348 (or 12341 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 3020605 is about 1737.9887801709. The cubic root of 3020605 is about 144.5543989656.

Adding to 3020605 its reverse (5060203), we get a palindrome (8080808).

The spelling of 3020605 in words is "three million, twenty thousand, six hundred five".