38980909 has 8 divisors (see below), whose sum is σ = 42604128. Its totient is φ = 35370960.

The previous prime is 38980889. The next prime is 38980927. The reversal of 38980909 is 90908983.

38980909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 38980909 - 2⁹ = 38980397 is a prime.

It is a super-2 number, since 2×38980909² = 3039022532932562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38980979) 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 7 ways as a sum of consecutive naturals, for example, 3439 + ... + 9475.

It is an arithmetic number, because the mean of its divisors is an integer number (5325516).

Almost surely, 2^38980909 is an apocalyptic number.

It is an amenable number.

38980909 is a deficient number, since it is larger than the sum of its proper divisors (3623219).

38980909 is a wasteful number, since it uses less digits than its factorization.

38980909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6635.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 38980909 is about 6243.4693080050. The cubic root of 38980909 is about 339.0658005540.

The spelling of 38980909 in words is "thirty-eight million, nine hundred eighty thousand, nine hundred nine".