38641785 has 32 divisors (see below), whose sum is σ = 76097280. Its totient is φ = 16305408.

The previous prime is 38641769. The next prime is 38641807. The reversal of 38641785 is 58714683.

It is not a de Polignac number, because 38641785 - 2⁴ = 38641769 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12790 + ... + 15519.

It is an arithmetic number, because the mean of its divisors is an integer number (2378040).

Almost surely, 2^38641785 is an apocalyptic number.

38641785 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38641785 is a deficient number, since it is larger than the sum of its proper divisors (37455495).

38641785 is a wasteful number, since it uses less digits than its factorization.

38641785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28337.

The product of its digits is 161280, while the sum is 42.

The square root of 38641785 is about 6216.2516840939. The cubic root of 38641785 is about 338.0796732222.

The spelling of 38641785 in words is "thirty-eight million, six hundred forty-one thousand, seven hundred eighty-five".