38666246 has 4 divisors (see below), whose sum is σ = 57999372. Its totient is φ = 19333122.

The previous prime is 38666219. The next prime is 38666249. The reversal of 38666246 is 64266683.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38666249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9666560 + ... + 9666563.

It is an arithmetic number, because the mean of its divisors is an integer number (14499843).

Almost surely, 2^38666246 is an apocalyptic number.

38666246 is a deficient number, since it is larger than the sum of its proper divisors (19333126).

38666246 is a wasteful number, since it uses less digits than its factorization.

38666246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19333125.

The product of its digits is 248832, while the sum is 41.

The square root of 38666246 is about 6218.2188768167. The cubic root of 38666246 is about 338.1509951736.

The spelling of 38666246 in words is "thirty-eight million, six hundred sixty-six thousand, two hundred forty-six".