938448906 has 16 divisors (see below), whose sum is σ = 1916832384. Its totient is φ = 306160544.

The previous prime is 938448887. The next prime is 938448919. The reversal of 938448906 is 609844839.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1663635 + ... + 1664198.

It is an arithmetic number, because the mean of its divisors is an integer number (119802024).

Almost surely, 2^938448906 is an apocalyptic number.

938448906 is an abundant number, since it is smaller than the sum of its proper divisors (978383478).

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

938448906 is a wasteful number, since it uses less digits than its factorization.

938448906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3327885.

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 938448906 is about 30634.1134358414. The cubic root of 938448906 is about 979.0470070702.

The spelling of 938448906 in words is "nine hundred thirty-eight million, four hundred forty-eight thousand, nine hundred six".