38655845 has 4 divisors (see below), whose sum is σ = 46387020. Its totient is φ = 30924672.

The previous prime is 38655829. The next prime is 38655889. The reversal of 38655845 is 54855683.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26863489 + 11792356 = 5183^2 + 3434^2 .

It is a cyclic number.

It is not a de Polignac number, because 38655845 - 2⁴ = 38655829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38655796 and 38655805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3865580 + ... + 3865589.

It is an arithmetic number, because the mean of its divisors is an integer number (11596755).

Almost surely, 2^38655845 is an apocalyptic number.

It is an amenable number.

38655845 is a deficient number, since it is larger than the sum of its proper divisors (7731175).

38655845 is an equidigital number, since it uses as much as digits as its factorization.

38655845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7731174.

The product of its digits is 576000, while the sum is 44.

The square root of 38655845 is about 6217.3824878320. The cubic root of 38655845 is about 338.1206722238.

The spelling of 38655845 in words is "thirty-eight million, six hundred fifty-five thousand, eight hundred forty-five".