3384991 has 2 divisors, whose sum is σ = 3384992. Its totient is φ = 3384990.

The previous prime is 3384977. The next prime is 3385013. The reversal of 3384991 is 1994833.

It is a weak prime.

It is an emirp because it is prime and its reverse (1994833) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3384991 - 2⁵ = 3384959 is a prime.

It is a super-2 number, since 2×3384991² = 22916328140162, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3384991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3384961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1692495 + 1692496.

It is an arithmetic number, because the mean of its divisors is an integer number (1692496).

Almost surely, 2^3384991 is an apocalyptic number.

3384991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3384991 is an equidigital number, since it uses as much as digits as its factorization.

3384991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 37.

The square root of 3384991 is about 1839.8345034269. The cubic root of 3384991 is about 150.1478689986.

It can be divided in two parts, 338 and 4991, that added together give a square (5329 = 73²).

The spelling of 3384991 in words is "three million, three hundred eighty-four thousand, nine hundred ninety-one".