3328820691 has 32 divisors (see below), whose sum is σ = 5427033600. Its totient is φ = 1772513280.

The previous prime is 3328820687. The next prime is 3328820701. The reversal of 3328820691 is 1960288233.

It is not a de Polignac number, because 3328820691 - 2² = 3328820687 is a prime.

It is a super-2 number, since 2×3328820691² = 22162094385659434962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3328820591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44046 + ... + 92723.

It is an arithmetic number, because the mean of its divisors is an integer number (169594800).

Almost surely, 2^3328820691 is an apocalyptic number.

3328820691 is a deficient number, since it is larger than the sum of its proper divisors (2098212909).

3328820691 is a wasteful number, since it uses less digits than its factorization.

3328820691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136859.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 3328820691 is about 57695.9330542457. The cubic root of 3328820691 is about 1493.1271785341.

The spelling of 3328820691 in words is "three billion, three hundred twenty-eight million, eight hundred twenty thousand, six hundred ninety-one".