3040686 has 32 divisors (see below), whose sum is σ = 7372800. Its totient is φ = 921240.

The previous prime is 3040657. The next prime is 3040691. The reversal of 3040686 is 6860403.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 1966 + ... + 3153.

It is an arithmetic number, because the mean of its divisors is an integer number (230400).

Almost surely, 2^3040686 is an apocalyptic number.

3040686 is an abundant number, since it is smaller than the sum of its proper divisors (4332114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3040686 is a wasteful number, since it uses less digits than its factorization.

3040686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141 (or 5135 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 3040686 is about 1743.7562903112. The cubic root of 3040686 is about 144.8740245522.

The spelling of 3040686 in words is "three million, forty thousand, six hundred eighty-six".