33449009 has 4 divisors (see below), whose sum is σ = 36489840. Its totient is φ = 30408180.

The previous prime is 33448991. The next prime is 33449011. The reversal of 33449009 is 90094433.

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 33449009 - 2¹² = 33444913 is a prime.

It is a super-2 number, since 2×33449009² = 2237672406164162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33449089) 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, 1520399 + ... + 1520420.

It is an arithmetic number, because the mean of its divisors is an integer number (9122460).

Almost surely, 2^33449009 is an apocalyptic number.

It is an amenable number.

33449009 is a deficient number, since it is larger than the sum of its proper divisors (3040831).

33449009 is a wasteful number, since it uses less digits than its factorization.

33449009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040830.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 33449009 is about 5783.5118224138. The cubic root of 33449009 is about 322.2016438217.

The spelling of 33449009 in words is "thirty-three million, four hundred forty-nine thousand, nine".