38340705 has 32 divisors (see below), whose sum is σ = 66777984. Its totient is φ = 18671616.

The previous prime is 38340691. The next prime is 38340713. The reversal of 38340705 is 50704383.

It is not a de Polignac number, because 38340705 - 2¹⁰ = 38339681 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17902 + ... + 19928.

It is an arithmetic number, because the mean of its divisors is an integer number (2086812).

Almost surely, 2^38340705 is an apocalyptic number.

It is an amenable number.

38340705 is a deficient number, since it is larger than the sum of its proper divisors (28437279).

38340705 is a wasteful number, since it uses less digits than its factorization.

38340705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2145.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 38340705 is about 6191.9871608394. The cubic root of 38340705 is about 337.1993261780.

The spelling of 38340705 in words is "thirty-eight million, three hundred forty thousand, seven hundred five".