38395905 has 8 divisors (see below), whose sum is σ = 61433472. Its totient is φ = 20477808.

The previous prime is 38395867. The next prime is 38395909. The reversal of 38395905 is 50959383.

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

It is not a de Polignac number, because 38395905 - 2¹¹ = 38393857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38395909) 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, 1279849 + ... + 1279878.

It is an arithmetic number, because the mean of its divisors is an integer number (7679184).

It is a Proth number, since it is equal to 4687 ⋅ 2¹³ + 1 and 4687 < 2¹³.

Almost surely, 2^38395905 is an apocalyptic number.

It is an amenable number.

38395905 is a deficient number, since it is larger than the sum of its proper divisors (23037567).

38395905 is a wasteful number, since it uses less digits than its factorization.

38395905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559735.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 38395905 is about 6196.4429312308. The cubic root of 38395905 is about 337.3610731362.

The spelling of 38395905 in words is "thirty-eight million, three hundred ninety-five thousand, nine hundred five".