38994909 has 8 divisors (see below), whose sum is σ = 52974432. Its totient is φ = 25506000.

The previous prime is 38994899. The next prime is 38994919. The reversal of 38994909 is 90949983.

38994909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (38994899) and next prime (38994919).

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

It is not a de Polignac number, because 38994909 - 2¹² = 38990813 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 (38994919) 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, 122467 + ... + 122784.

It is an arithmetic number, because the mean of its divisors is an integer number (6621804).

Almost surely, 2^38994909 is an apocalyptic number.

It is an amenable number.

38994909 is a deficient number, since it is larger than the sum of its proper divisors (13979523).

38994909 is a wasteful number, since it uses less digits than its factorization.

38994909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245307.

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 38994909 is about 6244.5903788799. The cubic root of 38994909 is about 339.1063875418.

It can be divided in two parts, 38994 and 909, that added together give a triangular number (39903 = T₂₈₂).

The spelling of 38994909 in words is "thirty-eight million, nine hundred ninety-four thousand, nine hundred nine".