3320387 has 6 divisors (see below), whose sum is σ = 3862548. Its totient is φ = 2846004.

The previous prime is 3320381. The next prime is 3320431. The reversal of 3320387 is 7830233.

It is not a de Polignac number, because 3320387 - 2⁴ = 3320371 is a prime.

It is a super-2 number, since 2×3320387² = 22049939659538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3320381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33833 + ... + 33930.

It is an arithmetic number, because the mean of its divisors is an integer number (643758).

Almost surely, 2^3320387 is an apocalyptic number.

3320387 is a deficient number, since it is larger than the sum of its proper divisors (542161).

3320387 is an equidigital number, since it uses as much as digits as its factorization.

3320387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67777 (or 67770 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 26.

The square root of 3320387 is about 1822.1929096558. The cubic root of 3320387 is about 149.1865147723.

The spelling of 3320387 in words is "three million, three hundred twenty thousand, three hundred eighty-seven".