33328948 has 6 divisors (see below), whose sum is σ = 58325666. Its totient is φ = 16664472.

The previous prime is 33328943. The next prime is 33328961. The reversal of 33328948 is 84982333.

It can be written as a sum of positive squares in only one way, i.e., 33039504 + 289444 = 5748^2 + 538^2 .

It is a super-2 number, since 2×33328948² = 2221637549573408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33328948.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33328943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4166115 + ... + 4166122.

Almost surely, 2^33328948 is an apocalyptic number.

It is an amenable number.

33328948 is a deficient number, since it is larger than the sum of its proper divisors (24996718).

33328948 is a wasteful number, since it uses less digits than its factorization.

33328948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8332241 (or 8332239 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 33328948 is about 5773.1228983974. The cubic root of 33328948 is about 321.8156809403.

The spelling of 33328948 in words is "thirty-three million, three hundred twenty-eight thousand, nine hundred forty-eight".