38807745 has 8 divisors (see below), whose sum is σ = 62092416. Its totient is φ = 20697456.

The previous prime is 38807711. The next prime is 38807767. The reversal of 38807745 is 54770883.

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

It is not a de Polignac number, because 38807745 - 2²² = 34613441 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38807697 and 38807706.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293577 + ... + 1293606.

It is an arithmetic number, because the mean of its divisors is an integer number (7761552).

Almost surely, 2^38807745 is an apocalyptic number.

It is an amenable number.

38807745 is a deficient number, since it is larger than the sum of its proper divisors (23284671).

38807745 is a wasteful number, since it uses less digits than its factorization.

38807745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2587191.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 38807745 is about 6229.5862623452. The cubic root of 38807745 is about 338.5629805132.

The spelling of 38807745 in words is "thirty-eight million, eight hundred seven thousand, seven hundred forty-five".