33408133 has 8 divisors (see below), whose sum is σ = 36508896. Its totient is φ = 30318000.

The previous prime is 33408097. The next prime is 33408149. The reversal of 33408133 is 33180433.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33408133 is a prime.

It is a super-2 number, since 2×33408133² = 2232206701091378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33408098 and 33408107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33408533) 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, 4858 + ... + 9508.

It is an arithmetic number, because the mean of its divisors is an integer number (4563612).

Almost surely, 2^33408133 is an apocalyptic number.

It is an amenable number.

33408133 is a deficient number, since it is larger than the sum of its proper divisors (3100763).

33408133 is a wasteful number, since it uses less digits than its factorization.

33408133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5315.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 33408133 is about 5779.9769030680. The cubic root of 33408133 is about 322.0703426430.

Adding to 33408133 its reverse (33180433), we get a palindrome (66588566).

The spelling of 33408133 in words is "thirty-three million, four hundred eight thousand, one hundred thirty-three".