38941909 has 8 divisors (see below), whose sum is σ = 39774240. Its totient is φ = 38113296.

The previous prime is 38941907. The next prime is 38941913. The reversal of 38941909 is 90914983.

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 38941909 - 2¹ = 38941907 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 (38941907) 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, 32214 + ... + 33400.

It is an arithmetic number, because the mean of its divisors is an integer number (4971780).

Almost surely, 2^38941909 is an apocalyptic number.

It is an amenable number.

38941909 is a deficient number, since it is larger than the sum of its proper divisors (832331).

38941909 is a wasteful number, since it uses less digits than its factorization.

38941909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1859.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 38941909 is about 6240.3452628841. The cubic root of 38941909 is about 338.9526855358.

The spelling of 38941909 in words is "thirty-eight million, nine hundred forty-one thousand, nine hundred nine".