33408841 has 4 divisors (see below), whose sum is σ = 34560900. Its totient is φ = 32256784.

The previous prime is 33408803. The next prime is 33408847. The reversal of 33408841 is 14880433.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14880433 = 163 ⋅91291.

It can be written as a sum of positive squares in 2 ways, for example, as 17640000 + 15768841 = 4200^2 + 3971^2 .

It is a cyclic number.

It is not a de Polignac number, because 33408841 - 2⁹ = 33408329 is a prime.

It is a super-2 number, since 2×33408841² = 2232301313926562, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33408847) 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, 575986 + ... + 576043.

It is an arithmetic number, because the mean of its divisors is an integer number (8640225).

Almost surely, 2^33408841 is an apocalyptic number.

It is an amenable number.

33408841 is a deficient number, since it is larger than the sum of its proper divisors (1152059).

33408841 is a wasteful number, since it uses less digits than its factorization.

33408841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152058.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 33408841 is about 5780.0381486630. The cubic root of 33408841 is about 322.0726177796.

The spelling of 33408841 in words is "thirty-three million, four hundred eight thousand, eight hundred forty-one".