38472666 has 16 divisors (see below), whose sum is σ = 81471744. Its totient is φ = 12069824.

The previous prime is 38472613. The next prime is 38472667. The reversal of 38472666 is 66627483.

38472666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (38472667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188490 + ... + 188693.

It is an arithmetic number, because the mean of its divisors is an integer number (5091984).

Almost surely, 2^38472666 is an apocalyptic number.

38472666 is an abundant number, since it is smaller than the sum of its proper divisors (42999078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38472666 is a wasteful number, since it uses less digits than its factorization.

38472666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377205.

The product of its digits is 290304, while the sum is 42.

The square root of 38472666 is about 6202.6337954130. The cubic root of 38472666 is about 337.5857406303.

The spelling of 38472666 in words is "thirty-eight million, four hundred seventy-two thousand, six hundred sixty-six".