33338828 has 6 divisors (see below), whose sum is σ = 58342956. Its totient is φ = 16669412.

The previous prime is 33338821. The next prime is 33338861. The reversal of 33338828 is 82883333.

It is a super-2 number, since 2×33338828² = 2222954904827168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33338791 and 33338800.

It is not an unprimeable number, because it can be changed into a prime (33338821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4167350 + ... + 4167357.

It is an arithmetic number, because the mean of its divisors is an integer number (9723826).

Almost surely, 2^33338828 is an apocalyptic number.

It is an amenable number.

33338828 is a deficient number, since it is larger than the sum of its proper divisors (25004128).

33338828 is a wasteful number, since it uses less digits than its factorization.

33338828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8334711 (or 8334709 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 33338828 is about 5773.9785243799. The cubic root of 33338828 is about 321.8474773714.

The spelling of 33338828 in words is "thirty-three million, three hundred thirty-eight thousand, eight hundred twenty-eight".