3328447 has 4 divisors (see below), whose sum is σ = 3524256. Its totient is φ = 3132640.

The previous prime is 3328441. The next prime is 3328459. The reversal of 3328447 is 7448233.

It is a happy number.

3328447 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7448233 = 13 ⋅572941.

It is a cyclic number.

It is not a de Polignac number, because 3328447 - 2⁷ = 3328319 is a prime.

It is a super-2 number, since 2×3328447² = 22157118863618, which contains 22 as substring.

It is a Duffinian number.

3328447 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3328441) 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, 97879 + ... + 97912.

It is an arithmetic number, because the mean of its divisors is an integer number (881064).

Almost surely, 2^3328447 is an apocalyptic number.

3328447 is a deficient number, since it is larger than the sum of its proper divisors (195809).

3328447 is a wasteful number, since it uses less digits than its factorization.

3328447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195808.

The product of its digits is 16128, while the sum is 31.

The square root of 3328447 is about 1824.4031900871. The cubic root of 3328447 is about 149.3071303985.

The spelling of 3328447 in words is "three million, three hundred twenty-eight thousand, four hundred forty-seven".