38870166 has 16 divisors (see below), whose sum is σ = 77925888. Its totient is φ = 12925800.

The previous prime is 38870141. The next prime is 38870171. The reversal of 38870166 is 66107883.

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 7 ways as a sum of consecutive naturals, for example, 4930 + ... + 10101.

It is an arithmetic number, because the mean of its divisors is an integer number (4870368).

Almost surely, 2^38870166 is an apocalyptic number.

38870166 is an abundant number, since it is smaller than the sum of its proper divisors (39055722).

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

38870166 is a wasteful number, since it uses less digits than its factorization.

38870166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15467.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 38870166 is about 6234.5942931357. The cubic root of 38870166 is about 338.7444058026.

The spelling of 38870166 in words is "thirty-eight million, eight hundred seventy thousand, one hundred sixty-six".