94138928 has 80 divisors (see below), whose sum is σ = 211236480. Its totient is φ = 40255488.

The previous prime is 94138897. The next prime is 94138937. The reversal of 94138928 is 82983149.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279176 + ... + 279512.

It is an arithmetic number, because the mean of its divisors is an integer number (2640456).

Almost surely, 2^94138928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 94138928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105618240).

94138928 is an abundant number, since it is smaller than the sum of its proper divisors (117097552).

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

94138928 is a wasteful number, since it uses less digits than its factorization.

94138928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 448 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The square root of 94138928 is about 9702.5217340648. The cubic root of 94138928 is about 454.9074851149.

The spelling of 94138928 in words is "ninety-four million, one hundred thirty-eight thousand, nine hundred twenty-eight".