3040689 has 4 divisors (see below), whose sum is σ = 4054256. Its totient is φ = 2027124.

The previous prime is 3040657. The next prime is 3040691. The reversal of 3040689 is 9860403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3040689 - 2⁵ = 3040657 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3040649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506779 + ... + 506784.

It is an arithmetic number, because the mean of its divisors is an integer number (1013564).

Almost surely, 2^3040689 is an apocalyptic number.

It is an amenable number.

3040689 is a deficient number, since it is larger than the sum of its proper divisors (1013567).

3040689 is a wasteful number, since it uses less digits than its factorization.

3040689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013566.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3040689 is about 1743.7571505230. The cubic root of 3040689 is about 144.8740721974.

The spelling of 3040689 in words is "three million, forty thousand, six hundred eighty-nine".