38079909 has 48 divisors (see below), whose sum is σ = 66484800. Its totient is φ = 21476448.

The previous prime is 38079907. The next prime is 38079911. The reversal of 38079909 is 90997083.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (38079907) and next prime (38079911).

It is not a de Polignac number, because 38079909 - 2¹ = 38079907 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38079901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 141427 + ... + 141695.

It is an arithmetic number, because the mean of its divisors is an integer number (1385100).

Almost surely, 2^38079909 is an apocalyptic number.

It is an amenable number.

38079909 is a deficient number, since it is larger than the sum of its proper divisors (28404891).

38079909 is a wasteful number, since it uses less digits than its factorization.

38079909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The square root of 38079909 is about 6170.8920748948. The cubic root of 38079909 is about 336.4330354160.

The spelling of 38079909 in words is "thirty-eight million, seventy-nine thousand, nine hundred nine".