33928988 has 6 divisors (see below), whose sum is σ = 59375736. Its totient is φ = 16964492.

The previous prime is 33928981. The next prime is 33928997. The reversal of 33928988 is 88982933.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33928981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4241120 + ... + 4241127.

It is an arithmetic number, because the mean of its divisors is an integer number (9895956).

Almost surely, 2^33928988 is an apocalyptic number.

It is an amenable number.

33928988 is a deficient number, since it is larger than the sum of its proper divisors (25446748).

33928988 is a wasteful number, since it uses less digits than its factorization.

33928988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8482251 (or 8482249 counting only the distinct ones).

The product of its digits is 746496, while the sum is 50.

The square root of 33928988 is about 5824.8594832837. The cubic root of 33928988 is about 323.7354824217.

The spelling of 33928988 in words is "thirty-three million, nine hundred twenty-eight thousand, nine hundred eighty-eight".