38789966 has 8 divisors (see below), whose sum is σ = 58317624. Its totient is φ = 19350760.

The previous prime is 38789957. The next prime is 38789981. The reversal of 38789966 is 66998783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×38789966² = 3009322924562312, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21005 + ... + 22776.

It is an arithmetic number, because the mean of its divisors is an integer number (7289703).

Almost surely, 2^38789966 is an apocalyptic number.

38789966 is a deficient number, since it is larger than the sum of its proper divisors (19527658).

38789966 is a wasteful number, since it uses less digits than its factorization.

38789966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44226.

The product of its digits is 3919104, while the sum is 56.

The square root of 38789966 is about 6228.1591180701. The cubic root of 38789966 is about 338.5112706404.

The spelling of 38789966 in words is "thirty-eight million, seven hundred eighty-nine thousand, nine hundred sixty-six".