333333328 has 20 divisors (see below), whose sum is σ = 666667648. Its totient is φ = 161290080.

The previous prime is 333333313. The next prime is 333333349. The reversal of 333333328 is 823333333.

333333328 is an admirable number.

It is a super-2 number, since 2×333333328² = 222222215111111168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a self number, because there is not a number n which added to its sum of digits gives 333333328.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335526 + ... + 336517.

Almost surely, 2^333333328 is an apocalyptic number.

It is an amenable number.

333333328 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

333333328 is a wasteful number, since it uses less digits than its factorization.

333333328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672082 (or 672076 counting only the distinct ones).

The product of its digits is 34992, while the sum is 31.

The square root of 333333328 is about 18257.4184374462. The cubic root of 333333328 is about 693.3612706527.

The spelling of 333333328 in words is "three hundred thirty-three million, three hundred thirty-three thousand, three hundred twenty-eight".