3528389 has 4 divisors (see below), whose sum is σ = 3642240. Its totient is φ = 3414540.

The previous prime is 3528379. The next prime is 3528397. The reversal of 3528389 is 9838253.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9838253 = 31 ⋅317363.

It is a cyclic number.

It is not a de Polignac number, because 3528389 - 2⁴ = 3528373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3528359) 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, 56879 + ... + 56940.

It is an arithmetic number, because the mean of its divisors is an integer number (910560).

Almost surely, 2^3528389 is an apocalyptic number.

It is an amenable number.

3528389 is a deficient number, since it is larger than the sum of its proper divisors (113851).

3528389 is a wasteful number, since it uses less digits than its factorization.

3528389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113850.

The product of its digits is 51840, while the sum is 38.

The square root of 3528389 is about 1878.4006494888. The cubic root of 3528389 is about 152.2388471334.

The spelling of 3528389 in words is "three million, five hundred twenty-eight thousand, three hundred eighty-nine".