3520693 has 4 divisors (see below), whose sum is σ = 3840768. Its totient is φ = 3200620.

The previous prime is 3520691. The next prime is 3520697. The reversal of 3520693 is 3960253.

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: 3960253 = 11 ⋅360023.

It is a cyclic number.

It is not a de Polignac number, because 3520693 - 2¹ = 3520691 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520691) 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, 160021 + ... + 160042.

It is an arithmetic number, because the mean of its divisors is an integer number (960192).

Almost surely, 2^3520693 is an apocalyptic number.

It is an amenable number.

3520693 is a deficient number, since it is larger than the sum of its proper divisors (320075).

3520693 is a wasteful number, since it uses less digits than its factorization.

3520693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320074.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 3520693 is about 1876.3509799608. The cubic root of 3520693 is about 152.1280805256.

The spelling of 3520693 in words is "three million, five hundred twenty thousand, six hundred ninety-three".