38284909 has 8 divisors (see below), whose sum is σ = 41528480. Its totient is φ = 35084016.

The previous prime is 38284891. The next prime is 38284913. The reversal of 38284909 is 90948283.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 38284909 - 2⁷ = 38284781 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 (38284919) 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, 8787 + ... + 12400.

It is an arithmetic number, because the mean of its divisors is an integer number (5191060).

Almost surely, 2^38284909 is an apocalyptic number.

It is an amenable number.

38284909 is a deficient number, since it is larger than the sum of its proper divisors (3243571).

38284909 is a wasteful number, since it uses less digits than its factorization.

38284909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21339.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 38284909 is about 6187.4800201698. The cubic root of 38284909 is about 337.0356749737.

It can be divided in two parts, 38284 and 909, that added together give a palindrome (39193).

The spelling of 38284909 in words is "thirty-eight million, two hundred eighty-four thousand, nine hundred nine".