38128266 has 32 divisors (see below), whose sum is σ = 92433600. Its totient is φ = 11553840.

The previous prime is 38128249. The next prime is 38128303. The reversal of 38128266 is 66282183.

It is a self number, because there is not a number n which added to its sum of digits gives 38128266.

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 15 ways as a sum of consecutive naturals, for example, 31501 + ... + 32688.

It is an arithmetic number, because the mean of its divisors is an integer number (2888550).

Almost surely, 2^38128266 is an apocalyptic number.

38128266 is an abundant number, since it is smaller than the sum of its proper divisors (54305334).

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

38128266 is a wasteful number, since it uses less digits than its factorization.

38128266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64211 (or 64205 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 38128266 is about 6174.8089848999. The cubic root of 38128266 is about 336.5753852889.

The spelling of 38128266 in words is "thirty-eight million, one hundred twenty-eight thousand, two hundred sixty-six".