38780966 has 16 divisors (see below), whose sum is σ = 66661920. Its totient is φ = 16575360.

The previous prime is 38780947. The next prime is 38781011. The reversal of 38780966 is 66908783.

It is a self number, because there is not a number n which added to its sum of digits gives 38780966.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1886 + ... + 9006.

It is an arithmetic number, because the mean of its divisors is an integer number (4166370).

Almost surely, 2^38780966 is an apocalyptic number.

38780966 is a deficient number, since it is larger than the sum of its proper divisors (27880954).

38780966 is a wasteful number, since it uses less digits than its factorization.

38780966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7519.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 38780966 is about 6227.4365512625. The cubic root of 38780966 is about 338.4850882930.

The spelling of 38780966 in words is "thirty-eight million, seven hundred eighty thousand, nine hundred sixty-six".