38506805 has 8 divisors (see below), whose sum is σ = 47698944. Its totient is φ = 29811600.

The previous prime is 38506789. The next prime is 38506817. The reversal of 38506805 is 50860583.

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

It is not a de Polignac number, because 38506805 - 2⁴ = 38506789 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 124061 + ... + 124370.

It is an arithmetic number, because the mean of its divisors is an integer number (5962368).

Almost surely, 2^38506805 is an apocalyptic number.

It is an amenable number.

38506805 is a deficient number, since it is larger than the sum of its proper divisors (9192139).

38506805 is a wasteful number, since it uses less digits than its factorization.

38506805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248467.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 38506805 is about 6205.3851612934. The cubic root of 38506805 is about 337.6855641639.

The spelling of 38506805 in words is "thirty-eight million, five hundred six thousand, eight hundred five".