38785769 has 4 divisors (see below), whose sum is σ = 42311760. Its totient is φ = 35259780.

The previous prime is 38785759. The next prime is 38785777. The reversal of 38785769 is 96758783.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96758783 = 11 ⋅8796253.

It is a cyclic number.

It is not a de Polignac number, because 38785769 - 2⁴ = 38785753 is a prime.

It is a super-2 number, since 2×38785769² = 3008671753842722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38785769.

It is not an unprimeable number, because it can be changed into a prime (38785729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762979 + ... + 1763000.

It is an arithmetic number, because the mean of its divisors is an integer number (10577940).

Almost surely, 2^38785769 is an apocalyptic number.

It is an amenable number.

38785769 is a deficient number, since it is larger than the sum of its proper divisors (3525991).

38785769 is a wasteful number, since it uses less digits than its factorization.

38785769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525990.

The product of its digits is 2540160, while the sum is 53.

The square root of 38785769 is about 6227.8221715139. The cubic root of 38785769 is about 338.4990614431.

The spelling of 38785769 in words is "thirty-eight million, seven hundred eighty-five thousand, seven hundred sixty-nine".