38866612 has 12 divisors (see below), whose sum is σ = 70362180. Its totient is φ = 18763136.

The previous prime is 38866601. The next prime is 38866621. The reversal of 38866612 is 21666883.

It can be written as a sum of positive squares in 2 ways, for example, as 24167056 + 14699556 = 4916^2 + 3834^2 .

It is a super-2 number, since 2×38866612² = 3021227056717088, which contains 22 as substring.

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, 167413 + ... + 167644.

It is an arithmetic number, because the mean of its divisors is an integer number (5863515).

Almost surely, 2^38866612 is an apocalyptic number.

It is an amenable number.

38866612 is a deficient number, since it is larger than the sum of its proper divisors (31495568).

38866612 is a wasteful number, since it uses less digits than its factorization.

38866612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335090 (or 335088 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 38866612 is about 6234.3092640645. The cubic root of 38866612 is about 338.7340813950.

The spelling of 38866612 in words is "thirty-eight million, eight hundred sixty-six thousand, six hundred twelve".