3320399 has 4 divisors (see below), whose sum is σ = 3332664. Its totient is φ = 3308136.

The previous prime is 3320381. The next prime is 3320431. The reversal of 3320399 is 9930233.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3320399 - 2⁸ = 3320143 is a prime.

It is a super-2 number, since 2×3320399² = 22050099038402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3320309) 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, 5717 + ... + 6270.

It is an arithmetic number, because the mean of its divisors is an integer number (833166).

Almost surely, 2^3320399 is an apocalyptic number.

3320399 is a deficient number, since it is larger than the sum of its proper divisors (12265).

3320399 is a wasteful number, since it uses less digits than its factorization.

3320399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12264.

The product of its (nonzero) digits is 4374, while the sum is 29.

The square root of 3320399 is about 1822.1962023888. The cubic root of 3320399 is about 149.1866944940.

The spelling of 3320399 in words is "three million, three hundred twenty thousand, three hundred ninety-nine".