38648506 has 16 divisors (see below), whose sum is σ = 64447488. Its totient is φ = 17262000.

The previous prime is 38648483. The next prime is 38648509. The reversal of 38648506 is 60584683.

It is not an unprimeable number, because it can be changed into a prime (38648509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23170 + ... + 24781.

It is an arithmetic number, because the mean of its divisors is an integer number (4027968).

Almost surely, 2^38648506 is an apocalyptic number.

38648506 is a deficient number, since it is larger than the sum of its proper divisors (25798982).

38648506 is a wasteful number, since it uses less digits than its factorization.

38648506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47997.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 38648506 is about 6216.7922596786. The cubic root of 38648506 is about 338.0992729186.

The spelling of 38648506 in words is "thirty-eight million, six hundred forty-eight thousand, five hundred six".