33828270 has 32 divisors (see below), whose sum is σ = 92786688. Its totient is φ = 7732128.

The previous prime is 33828251. The next prime is 33828287. The reversal of 33828270 is 7282833.

It is a happy number.

It is a super-2 number, since 2×33828270² = 2288703702385800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 80334 + ... + 80753.

It is an arithmetic number, because the mean of its divisors is an integer number (2899584).

Almost surely, 2^33828270 is an apocalyptic number.

33828270 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33828270 is an abundant number, since it is smaller than the sum of its proper divisors (58958418).

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

33828270 is a wasteful number, since it uses less digits than its factorization.

33828270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161104.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 33828270 is about 5816.2075272466. The cubic root of 33828270 is about 323.4148293055.

The spelling of 33828270 in words is "thirty-three million, eight hundred twenty-eight thousand, two hundred seventy".