38922785 has 32 divisors (see below), whose sum is σ = 55054080. Its totient is φ = 26118400.

The previous prime is 38922769. The next prime is 38922787. The reversal of 38922785 is 58722983.

It is not a de Polignac number, because 38922785 - 2⁴ = 38922769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38922787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36155 + ... + 37215.

It is an arithmetic number, because the mean of its divisors is an integer number (1720440).

Almost surely, 2^38922785 is an apocalyptic number.

It is an amenable number.

38922785 is a deficient number, since it is larger than the sum of its proper divisors (16131295).

38922785 is a wasteful number, since it uses less digits than its factorization.

38922785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129.

The product of its digits is 241920, while the sum is 44.

The square root of 38922785 is about 6238.8127877025. The cubic root of 38922785 is about 338.8971909738.

The spelling of 38922785 in words is "thirty-eight million, nine hundred twenty-two thousand, seven hundred eighty-five".