38248666 has 4 divisors (see below), whose sum is σ = 57373002. Its totient is φ = 19124332.

The previous prime is 38248649. The next prime is 38248667. The reversal of 38248666 is 66684283.

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

It can be written as a sum of positive squares in only one way, i.e., 27783441 + 10465225 = 5271^2 + 3235^2 .

It is not an unprimeable number, because it can be changed into a prime (38248667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9562165 + ... + 9562168.

Almost surely, 2^38248666 is an apocalyptic number.

38248666 is a deficient number, since it is larger than the sum of its proper divisors (19124336).

38248666 is a wasteful number, since it uses less digits than its factorization.

38248666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19124335.

The product of its digits is 331776, while the sum is 43.

The square root of 38248666 is about 6184.5505899782. The cubic root of 38248666 is about 336.9292880545.

The spelling of 38248666 in words is "thirty-eight million, two hundred forty-eight thousand, six hundred sixty-six".