3321320397 has 4 divisors (see below), whose sum is σ = 4428427200. Its totient is φ = 2214213596.

The previous prime is 3321320369. The next prime is 3321320411. The reversal of 3321320397 is 7930231233.

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 3321320397 - 2⁷ = 3321320269 is a prime.

It is a super-2 number, since 2×3321320397² = 22062338359056475218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321320297) 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, 553553397 + ... + 553553402.

It is an arithmetic number, because the mean of its divisors is an integer number (1107106800).

Almost surely, 2^3321320397 is an apocalyptic number.

It is an amenable number.

3321320397 is a deficient number, since it is larger than the sum of its proper divisors (1107106803).

3321320397 is a wasteful number, since it uses less digits than its factorization.

3321320397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107106802.

The product of its (nonzero) digits is 20412, while the sum is 33.

The square root of 3321320397 is about 57630.8979367839. The cubic root of 3321320397 is about 1492.0049278145.

The spelling of 3321320397 in words is "three billion, three hundred twenty-one million, three hundred twenty thousand, three hundred ninety-seven".