3040991 has 8 divisors (see below), whose sum is σ = 3204960. Its totient is φ = 2879712.

The previous prime is 3040987. The next prime is 3040997. The reversal of 3040991 is 1990403.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3040991 - 2² = 3040987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3040991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040997) 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, 1901 + ... + 3113.

It is an arithmetic number, because the mean of its divisors is an integer number (400620).

Almost surely, 2^3040991 is an apocalyptic number.

3040991 is a deficient number, since it is larger than the sum of its proper divisors (163969).

3040991 is a wasteful number, since it uses less digits than its factorization.

3040991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 3040991 is about 1743.8437429999. The cubic root of 3040991 is about 144.8788683166.

The spelling of 3040991 in words is "three million, forty thousand, nine hundred ninety-one".