38020785 has 32 divisors (see below), whose sum is σ = 66908160. Its totient is φ = 18283200.

The previous prime is 38020783. The next prime is 38020819. The reversal of 38020785 is 58702083.

It is not a de Polignac number, because 38020785 - 2¹ = 38020783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38020781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20736 + ... + 22494.

It is an arithmetic number, because the mean of its divisors is an integer number (2090880).

Almost surely, 2^38020785 is an apocalyptic number.

It is an amenable number.

38020785 is a deficient number, since it is larger than the sum of its proper divisors (28887375).

38020785 is a wasteful number, since it uses less digits than its factorization.

38020785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 38020785 is about 6166.0996586173. The cubic root of 38020785 is about 336.2588265765.

It can be divided in two parts, 3802078 and 5, that added together give a palindrome (3802083).

The spelling of 38020785 in words is "thirty-eight million, twenty thousand, seven hundred eighty-five".