38368705 has 8 divisors (see below), whose sum is σ = 46277352. Its totient is φ = 30538368.

The previous prime is 38368697. The next prime is 38368709. The reversal of 38368705 is 50786383.

It can be written as a sum of positive squares in 4 ways, for example, as 26286129 + 12082576 = 5127^2 + 3476^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 38368705 - 2³ = 38368697 is a prime.

It is a super-3 number, since 3×38368705³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38368709) 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, 18492 + ... + 20461.

It is an arithmetic number, because the mean of its divisors is an integer number (5784669).

Almost surely, 2^38368705 is an apocalyptic number.

It is an amenable number.

38368705 is a deficient number, since it is larger than the sum of its proper divisors (7908647).

38368705 is a wasteful number, since it uses less digits than its factorization.

38368705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39155.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 38368705 is about 6194.2477347940. The cubic root of 38368705 is about 337.2813911242.

The spelling of 38368705 in words is "thirty-eight million, three hundred sixty-eight thousand, seven hundred five".