33820396 has 12 divisors (see below), whose sum is σ = 61759152. Its totient is φ = 16174928.

The previous prime is 33820379. The next prime is 33820421. The reversal of 33820396 is 69302833.

It is a super-2 number, since 2×33820396² = 2287638371193632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183715 + ... + 183898.

It is an arithmetic number, because the mean of its divisors is an integer number (5146596).

Almost surely, 2^33820396 is an apocalyptic number.

It is an amenable number.

33820396 is a deficient number, since it is larger than the sum of its proper divisors (27938756).

33820396 is a wasteful number, since it uses less digits than its factorization.

33820396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367640 (or 367638 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 33820396 is about 5815.5305862836. The cubic root of 33820396 is about 323.3897342595.

The spelling of 33820396 in words is "thirty-three million, eight hundred twenty thousand, three hundred ninety-six".