33904230 has 32 divisors (see below), whose sum is σ = 81524448. Its totient is φ = 9024000.

The previous prime is 33904229. The next prime is 33904237. The reversal of 33904230 is 3240933.

It is a super-2 number, since 2×33904230² = 2298993623785800, 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 33904230.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33904237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27630 + ... + 28830.

It is an arithmetic number, because the mean of its divisors is an integer number (2547639).

Almost surely, 2^33904230 is an apocalyptic number.

33904230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33904230 is an abundant number, since it is smaller than the sum of its proper divisors (47620218).

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

33904230 is a wasteful number, since it uses less digits than its factorization.

33904230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 33904230 is about 5822.7338939711. The cubic root of 33904230 is about 323.6567199449.

The spelling of 33904230 in words is "thirty-three million, nine hundred four thousand, two hundred thirty".