38887966 has 8 divisors (see below), whose sum is σ = 62819064. Its totient is φ = 17948280.

The previous prime is 38887949. The next prime is 38887991. The reversal of 38887966 is 66978883.

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

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, 747820 + ... + 747871.

It is an arithmetic number, because the mean of its divisors is an integer number (7852383).

Almost surely, 2^38887966 is an apocalyptic number.

38887966 is a deficient number, since it is larger than the sum of its proper divisors (23931098).

38887966 is a wasteful number, since it uses less digits than its factorization.

38887966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495706.

The product of its digits is 3483648, while the sum is 55.

The square root of 38887966 is about 6236.0216484550. The cubic root of 38887966 is about 338.7961055240.

The spelling of 38887966 in words is "thirty-eight million, eight hundred eighty-seven thousand, nine hundred sixty-six".