33914021 has 4 divisors (see below), whose sum is σ = 35083500. Its totient is φ = 32744544.

The previous prime is 33914003. The next prime is 33914047. The reversal of 33914021 is 12041933.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9302500 + 24611521 = 3050^2 + 4961^2 .

It is a cyclic number.

It is not a de Polignac number, because 33914021 - 2¹⁰ = 33912997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33914081) 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, 584696 + ... + 584753.

It is an arithmetic number, because the mean of its divisors is an integer number (8770875).

Almost surely, 2^33914021 is an apocalyptic number.

It is an amenable number.

33914021 is a deficient number, since it is larger than the sum of its proper divisors (1169479).

33914021 is a wasteful number, since it uses less digits than its factorization.

33914021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169478.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 33914021 is about 5823.5745895455. The cubic root of 33914021 is about 323.6878725764.

Adding to 33914021 its reverse (12041933), we get a palindrome (45955954).

The spelling of 33914021 in words is "thirty-three million, nine hundred fourteen thousand, twenty-one".