33144906 has 16 divisors (see below), whose sum is σ = 66418848. Its totient is φ = 11026800.

The previous prime is 33144887. The next prime is 33144907. The reversal of 33144906 is 60944133.

It is not an unprimeable number, because it can be changed into a prime (33144907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860 + ... + 8351.

It is an arithmetic number, because the mean of its divisors is an integer number (4151178).

Almost surely, 2^33144906 is an apocalyptic number.

33144906 is an abundant number, since it is smaller than the sum of its proper divisors (33273942).

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

33144906 is a wasteful number, since it uses less digits than its factorization.

33144906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10757.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 33144906 is about 5757.1612796586. The cubic root of 33144906 is about 321.2222333140. Note that the first 4 decimals are identical.

The spelling of 33144906 in words is "thirty-three million, one hundred forty-four thousand, nine hundred six".