3356391 has 4 divisors (see below), whose sum is σ = 4475192. Its totient is φ = 2237592.

The previous prime is 3356389. The next prime is 3356393. The reversal of 3356391 is 1936533.

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

It is an interprime number because it is at equal distance from previous prime (3356389) and next prime (3356393).

It is not a de Polignac number, because 3356391 - 2¹ = 3356389 is a prime.

It is a super-2 number, since 2×3356391² = 22530721089762, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3356393) 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, 559396 + ... + 559401.

It is an arithmetic number, because the mean of its divisors is an integer number (1118798).

Almost surely, 2^3356391 is an apocalyptic number.

3356391 is a deficient number, since it is larger than the sum of its proper divisors (1118801).

3356391 is a wasteful number, since it uses less digits than its factorization.

3356391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118800.

The product of its digits is 7290, while the sum is 30.

The square root of 3356391 is about 1832.0455780357. The cubic root of 3356391 is about 149.7238028575.

The spelling of 3356391 in words is "three million, three hundred fifty-six thousand, three hundred ninety-one".