94138506 has 144 divisors (see below), whose sum is σ = 268040448. Its totient is φ = 23587200.

The previous prime is 94138487. The next prime is 94138507. The reversal of 94138506 is 60583149.

It is not an unprimeable number, because it can be changed into a prime (94138507) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 300606 + ... + 300918.

It is an arithmetic number, because the mean of its divisors is an integer number (1861392).

Almost surely, 2^94138506 is an apocalyptic number.

It is a pronic number, being equal to 9702×9703.

It is a practical number, because each smaller number is the sum of distinct divisors of 94138506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134020224).

94138506 is an abundant number, since it is smaller than the sum of its proper divisors (173901942).

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

94138506 is a wasteful number, since it uses less digits than its factorization.

94138506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 94138506 is about 9702.4999871167. The cubic root of 94138506 is about 454.9068053705.

The spelling of 94138506 in words is "ninety-four million, one hundred thirty-eight thousand, five hundred six".