38966680 has 16 divisors (see below), whose sum is σ = 87675120. Its totient is φ = 15586656.

The previous prime is 38966677. The next prime is 38966699. The reversal of 38966680 is 8666983.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38966680.

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 3 ways as a sum of consecutive naturals, for example, 487044 + ... + 487123.

It is an arithmetic number, because the mean of its divisors is an integer number (5479695).

Almost surely, 2^38966680 is an apocalyptic number.

It is an amenable number.

38966680 is an abundant number, since it is smaller than the sum of its proper divisors (48708440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38966680 is a wasteful number, since it uses less digits than its factorization.

38966680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974178 (or 974174 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 38966680 is about 6242.3296933116. The cubic root of 38966680 is about 339.0245397202.

The spelling of 38966680 in words is "thirty-eight million, nine hundred sixty-six thousand, six hundred eighty".