33338028 has 24 divisors (see below), whose sum is σ = 78223600. Its totient is φ = 11050560.

The previous prime is 33338021. The next prime is 33338033. The reversal of 33338028 is 82083333.

It is a super-2 number, since 2×33338028² = 2222848221857568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33337986 and 33338004.

It is not an unprimeable number, because it can be changed into a prime (33338021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5503 + ... + 9846.

Almost surely, 2^33338028 is an apocalyptic number.

It is an amenable number.

33338028 is an abundant number, since it is smaller than the sum of its proper divisors (44885572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33338028 is a wasteful number, since it uses less digits than its factorization.

33338028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15537 (or 15535 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 33338028 is about 5773.9092476415. The cubic root of 33338028 is about 321.8449029954.

The spelling of 33338028 in words is "thirty-three million, three hundred thirty-eight thousand, twenty-eight".