3388389 has 24 divisors (see below), whose sum is σ = 5016960. Its totient is φ = 2026752.

The previous prime is 3388387. The next prime is 3388397. The reversal of 3388389 is 9838833.

It is not a de Polignac number, because 3388389 - 2¹ = 3388387 is a prime.

It is a super-2 number, since 2×3388389² = 22962360030642, which contains 22 as substring.

Its product of digits (124416) is a multiple of the sum of its prime divisors (128).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3388389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3388387) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42852 + ... + 42930.

It is an arithmetic number, because the mean of its divisors is an integer number (209040).

Almost surely, 2^3388389 is an apocalyptic number.

It is an amenable number.

3388389 is a deficient number, since it is larger than the sum of its proper divisors (1628571).

3388389 is a wasteful number, since it uses less digits than its factorization.

3388389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 128 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 3388389 is about 1840.7577244168. The cubic root of 3388389 is about 150.1980938326.

The spelling of 3388389 in words is "three million, three hundred eighty-eight thousand, three hundred eighty-nine".