3528697 has 4 divisors (see below), whose sum is σ = 3535696. Its totient is φ = 3521700.

The previous prime is 3528659. The next prime is 3528743. The reversal of 3528697 is 7968253.

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: 7968253 = 2153 ⋅3701.

It is a cyclic number.

It is not a de Polignac number, because 3528697 - 2¹⁹ = 3004409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3528607) 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, 2679 + ... + 3772.

It is an arithmetic number, because the mean of its divisors is an integer number (883924).

Almost surely, 2^3528697 is an apocalyptic number.

It is an amenable number.

3528697 is a deficient number, since it is larger than the sum of its proper divisors (6999).

3528697 is an equidigital number, since it uses as much as digits as its factorization.

3528697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6998.

The product of its digits is 90720, while the sum is 40.

The square root of 3528697 is about 1878.4826323392. The cubic root of 3528697 is about 152.2432767470.

It can be divided in two parts, 3528 and 697, that added together give a square (4225 = 65²).

The spelling of 3528697 in words is "three million, five hundred twenty-eight thousand, six hundred ninety-seven".