33284913 has 8 divisors (see below), whose sum is σ = 44435328. Its totient is φ = 22162224.

The previous prime is 33284899. The next prime is 33284947. The reversal of 33284913 is 31948233.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33284913 - 2⁹ = 33284401 is a prime.

It is a super-2 number, since 2×33284913² = 2215770866835138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33284983) 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, 3945 + ... + 9062.

It is an arithmetic number, because the mean of its divisors is an integer number (5554416).

Almost surely, 2^33284913 is an apocalyptic number.

It is an amenable number.

33284913 is a deficient number, since it is larger than the sum of its proper divisors (11150415).

33284913 is a wasteful number, since it uses less digits than its factorization.

33284913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13863.

The product of its digits is 15552, while the sum is 33.

The square root of 33284913 is about 5769.3078441005. The cubic root of 33284913 is about 321.6738882942.

The spelling of 33284913 in words is "thirty-three million, two hundred eighty-four thousand, nine hundred thirteen".