3352721 has 4 divisors (see below), whose sum is σ = 3529200. Its totient is φ = 3176244.

The previous prime is 3352711. The next prime is 3352729. The reversal of 3352721 is 1272533.

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: 1272533 = 71 ⋅17923.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3352721 is a prime.

It is a super-2 number, since 2×3352721² = 22481476207682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3352729) 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, 88211 + ... + 88248.

It is an arithmetic number, because the mean of its divisors is an integer number (882300).

Almost surely, 2^3352721 is an apocalyptic number.

It is an amenable number.

3352721 is a deficient number, since it is larger than the sum of its proper divisors (176479).

3352721 is a wasteful number, since it uses less digits than its factorization.

3352721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176478.

The product of its digits is 1260, while the sum is 23.

The square root of 3352721 is about 1831.0436914503. The cubic root of 3352721 is about 149.6692118048.

The spelling of 3352721 in words is "three million, three hundred fifty-two thousand, seven hundred twenty-one".