3394991 has 4 divisors (see below), whose sum is σ = 3406872. Its totient is φ = 3383112.

The previous prime is 3394981. The next prime is 3394999. The reversal of 3394991 is 1994933.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3394991 - 2⁶ = 3394927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3394999) 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, 5501 + ... + 6086.

It is an arithmetic number, because the mean of its divisors is an integer number (851718).

Almost surely, 2^3394991 is an apocalyptic number.

3394991 is a deficient number, since it is larger than the sum of its proper divisors (11881).

3394991 is a wasteful number, since it uses less digits than its factorization.

3394991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11880.

The product of its digits is 26244, while the sum is 38.

The square root of 3394991 is about 1842.5501350031. The cubic root of 3394991 is about 150.2955801296.

The spelling of 3394991 in words is "three million, three hundred ninety-four thousand, nine hundred ninety-one".