3320641 has 4 divisors (see below), whose sum is σ = 3342784. Its totient is φ = 3298500.

The previous prime is 3320623. The next prime is 3320651. The reversal of 3320641 is 1460233.

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 3320641 - 2⁹ = 3320129 is a prime.

It is a super-2 number, since 2×3320641² = 22053313301762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3320651) 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, 10845 + ... + 11146.

It is an arithmetic number, because the mean of its divisors is an integer number (835696).

Almost surely, 2^3320641 is an apocalyptic number.

3320641 is the 1153-rd centered pentagonal number.

It is an amenable number.

3320641 is a deficient number, since it is larger than the sum of its proper divisors (22143).

3320641 is a wasteful number, since it uses less digits than its factorization.

3320641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22142.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3320641 is about 1822.2626045661. The cubic root of 3320641 is about 149.1903187876.

Adding to 3320641 its reverse (1460233), we get a palindrome (4780874).

The spelling of 3320641 in words is "three million, three hundred twenty thousand, six hundred forty-one".