38028809 has 8 divisors (see below), whose sum is σ = 46804800. Its totient is φ = 30088656.

The previous prime is 38028797. The next prime is 38028811. The reversal of 38028809 is 90882083.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38028809 - 2²⁰ = 36980233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38028829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208859 + ... + 209040.

It is an arithmetic number, because the mean of its divisors is an integer number (5850600).

Almost surely, 2^38028809 is an apocalyptic number.

It is an amenable number.

38028809 is a deficient number, since it is larger than the sum of its proper divisors (8775991).

38028809 is a wasteful number, since it uses less digits than its factorization.

38028809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417919.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 38028809 is about 6166.7502787124. The cubic root of 38028809 is about 336.2824798759.

The spelling of 38028809 in words is "thirty-eight million, twenty-eight thousand, eight hundred nine".