33928313 has 8 divisors (see below), whose sum is σ = 35043840. Its totient is φ = 32829280.

The previous prime is 33928267. The next prime is 33928327. The reversal of 33928313 is 31382933.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33928313 - 2¹⁴ = 33911929 is a prime.

It is a super-2 number, since 2×33928313² = 2302260846051938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 33928313.

It is not an unprimeable number, because it can be changed into a prime (33958313) 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, 128 + ... + 8238.

It is an arithmetic number, because the mean of its divisors is an integer number (4380480).

Almost surely, 2^33928313 is an apocalyptic number.

It is an amenable number.

33928313 is a deficient number, since it is larger than the sum of its proper divisors (1115527).

33928313 is an equidigital number, since it uses as much as digits as its factorization.

33928313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8247.

The product of its digits is 11664, while the sum is 32.

The square root of 33928313 is about 5824.8015416836. The cubic root of 33928313 is about 323.7333355564.

The spelling of 33928313 in words is "thirty-three million, nine hundred twenty-eight thousand, three hundred thirteen".