33955140 has 24 divisors (see below), whose sum is σ = 95074560. Its totient is φ = 9054688.

The previous prime is 33955127. The next prime is 33955151. The reversal of 33955140 is 4155933.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 33955098 and 33955107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282900 + ... + 283019.

It is an arithmetic number, because the mean of its divisors is an integer number (3961440).

Almost surely, 2^33955140 is an apocalyptic number.

33955140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33955140 is an abundant number, since it is smaller than the sum of its proper divisors (61119420).

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

33955140 is a wasteful number, since it uses less digits than its factorization.

33955140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565931 (or 565929 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 30.

The square root of 33955140 is about 5827.1039118931. The cubic root of 33955140 is about 323.8186380213.

The spelling of 33955140 in words is "thirty-three million, nine hundred fifty-five thousand, one hundred forty".