33852009 has 4 divisors (see below), whose sum is σ = 45136016. Its totient is φ = 22568004.

The previous prime is 33851999. The next prime is 33852029. The reversal of 33852009 is 90025833.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 33852009 - 2¹¹ = 33849961 is a prime.

It is a super-2 number, since 2×33852009² = 2291917026672162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33852029) 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, 5641999 + ... + 5642004.

It is an arithmetic number, because the mean of its divisors is an integer number (11284004).

Almost surely, 2^33852009 is an apocalyptic number.

It is an amenable number.

33852009 is a deficient number, since it is larger than the sum of its proper divisors (11284007).

33852009 is a wasteful number, since it uses less digits than its factorization.

33852009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11284006.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 33852009 is about 5818.2479321528. The cubic root of 33852009 is about 323.4904637717.

The spelling of 33852009 in words is "thirty-three million, eight hundred fifty-two thousand, nine".