3391999 has 6 divisors (see below), whose sum is σ = 3673176. Its totient is φ = 3130920.

The previous prime is 3391991. The next prime is 3392021. The reversal of 3391999 is 9991933.

It is not a de Polignac number, because 3391999 - 2³ = 3391991 is a prime.

It is a super-3 number, since 3×3391999³ (a number of 21 digits) contains 333 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3391991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9867 + ... + 10204.

It is an arithmetic number, because the mean of its divisors is an integer number (612196).

Almost surely, 2^3391999 is an apocalyptic number.

3391999 is a deficient number, since it is larger than the sum of its proper divisors (281177).

3391999 is a wasteful number, since it uses less digits than its factorization.

3391999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20097 (or 20084 counting only the distinct ones).

The product of its digits is 59049, while the sum is 43.

The square root of 3391999 is about 1841.7380378327. The cubic root of 3391999 is about 150.2514154036.

The spelling of 3391999 in words is "three million, three hundred ninety-one thousand, nine hundred ninety-nine".