33830540 has 12 divisors (see below), whose sum is σ = 71044176. Its totient is φ = 13532208.

The previous prime is 33830521. The next prime is 33830549. The reversal of 33830540 is 4503833.

It is a super-2 number, since 2×33830540² = 2289010873383200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33830549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 845744 + ... + 845783.

It is an arithmetic number, because the mean of its divisors is an integer number (5920348).

Almost surely, 2^33830540 is an apocalyptic number.

It is an amenable number.

33830540 is an abundant number, since it is smaller than the sum of its proper divisors (37213636).

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

33830540 is a wasteful number, since it uses less digits than its factorization.

33830540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1691536 (or 1691534 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 33830540 is about 5816.4026683166. The cubic root of 33830540 is about 323.4220632476.

The spelling of 33830540 in words is "thirty-three million, eight hundred thirty thousand, five hundred forty".