38831705 has 16 divisors (see below), whose sum is σ = 53046144. Its totient is φ = 27012480.

The previous prime is 38831701. The next prime is 38831707. The reversal of 38831705 is 50713883.

It is not a de Polignac number, because 38831705 - 2² = 38831701 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38831701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14084 + ... + 16613.

It is an arithmetic number, because the mean of its divisors is an integer number (3315384).

Almost surely, 2^38831705 is an apocalyptic number.

It is an amenable number.

38831705 is a deficient number, since it is larger than the sum of its proper divisors (14214439).

38831705 is a wasteful number, since it uses less digits than its factorization.

38831705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30736.

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 38831705 is about 6231.5090467719. The cubic root of 38831705 is about 338.6326427257.

The spelling of 38831705 in words is "thirty-eight million, eight hundred thirty-one thousand, seven hundred five".