3598391 has 4 divisors (see below), whose sum is σ = 3787800. Its totient is φ = 3408984.

The previous prime is 3598381. The next prime is 3598393. The reversal of 3598391 is 1938953.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1938953 = 73 ⋅26561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3598391 is a prime.

It is an Ulam 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 (3598393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94676 + ... + 94713.

It is an arithmetic number, because the mean of its divisors is an integer number (946950).

Almost surely, 2^3598391 is an apocalyptic number.

3598391 is a deficient number, since it is larger than the sum of its proper divisors (189409).

3598391 is a wasteful number, since it uses less digits than its factorization.

3598391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189408.

The product of its digits is 29160, while the sum is 38.

The square root of 3598391 is about 1896.9425399837. The cubic root of 3598391 is about 153.2390498932.

The spelling of 3598391 in words is "three million, five hundred ninety-eight thousand, three hundred ninety-one".