38333409 has 4 divisors (see below), whose sum is σ = 51111216. Its totient is φ = 25555604.

The previous prime is 38333381. The next prime is 38333411. The reversal of 38333409 is 90433383.

38333409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 38333409 - 2¹⁵ = 38300641 is a prime.

It is a super-2 number, since 2×38333409² = 2938900491122562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38333409.

It is not an unprimeable number, because it can be changed into a prime (38333429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6388899 + ... + 6388904.

It is an arithmetic number, because the mean of its divisors is an integer number (12777804).

Almost surely, 2^38333409 is an apocalyptic number.

It is an amenable number.

38333409 is a deficient number, since it is larger than the sum of its proper divisors (12777807).

38333409 is a wasteful number, since it uses less digits than its factorization.

38333409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12777806.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 38333409 is about 6191.3979843005. The cubic root of 38333409 is about 337.1779358362.

The spelling of 38333409 in words is "thirty-eight million, three hundred thirty-three thousand, four hundred nine".