3220693 has 4 divisors (see below), whose sum is σ = 3680800. Its totient is φ = 2760588.

The previous prime is 3220681. The next prime is 3220699. The reversal of 3220693 is 3960223.

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.

It is a cyclic number.

It is not a de Polignac number, because 3220693 - 2⁵ = 3220661 is a prime.

It is a Duffinian number.

3220693 is a modest number, since divided by 693 gives 322 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220699) 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, 230043 + ... + 230056.

It is an arithmetic number, because the mean of its divisors is an integer number (920200).

Almost surely, 2^3220693 is an apocalyptic number.

It is an amenable number.

3220693 is a deficient number, since it is larger than the sum of its proper divisors (460107).

3220693 is an equidigital number, since it uses as much as digits as its factorization.

3220693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460106.

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 3220693 is about 1794.6289310050. The cubic root of 3220693 is about 147.6782179804.

The spelling of 3220693 in words is "three million, two hundred twenty thousand, six hundred ninety-three".