3238391 has 4 divisors (see below), whose sum is σ = 3487512. Its totient is φ = 2989272.

The previous prime is 3238357. The next prime is 3238393. The reversal of 3238391 is 1938323.

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

It is not a de Polignac number, because 3238391 - 2¹⁴ = 3222007 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 (3238393) 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, 124541 + ... + 124566.

It is an arithmetic number, because the mean of its divisors is an integer number (871878).

Almost surely, 2^3238391 is an apocalyptic number.

3238391 is a deficient number, since it is larger than the sum of its proper divisors (249121).

3238391 is a wasteful number, since it uses less digits than its factorization.

3238391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249120.

The product of its digits is 3888, while the sum is 29.

The square root of 3238391 is about 1799.5530000531. The cubic root of 3238391 is about 147.9482257421.

The spelling of 3238391 in words is "three million, two hundred thirty-eight thousand, three hundred ninety-one".