3391399 has 4 divisors (see below), whose sum is σ = 3699720. Its totient is φ = 3083080.

The previous prime is 3391393. The next prime is 3391433. The reversal of 3391399 is 9931933.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9931933 = 11 ⋅902903.

It is not a de Polignac number, because 3391399 - 2¹³ = 3383207 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 (3391393) 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, 154144 + ... + 154165.

It is an arithmetic number, because the mean of its divisors is an integer number (924930).

Almost surely, 2^3391399 is an apocalyptic number.

3391399 is a deficient number, since it is larger than the sum of its proper divisors (308321).

3391399 is a wasteful number, since it uses less digits than its factorization.

3391399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308320.

The product of its digits is 19683, while the sum is 37.

The square root of 3391399 is about 1841.5751410138. The cubic root of 3391399 is about 150.2425557149.

The spelling of 3391399 in words is "three million, three hundred ninety-one thousand, three hundred ninety-nine".