93138380 has 48 divisors (see below), whose sum is σ = 207567360. Its totient is φ = 35006400.

The previous prime is 93138377. The next prime is 93138407. The reversal of 93138380 is 8383139.

It is a self number, because there is not a number n which added to its sum of digits gives 93138380.

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, 48845 + ... + 50715.

It is an arithmetic number, because the mean of its divisors is an integer number (4324320).

Almost surely, 2^93138380 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 93138380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103783680).

93138380 is an abundant number, since it is smaller than the sum of its proper divisors (114428980).

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

93138380 is a wasteful number, since it uses less digits than its factorization.

93138380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030 (or 2028 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 93138380 is about 9650.8227628529. The cubic root of 93138380 is about 453.2900922328.

The spelling of 93138380 in words is "ninety-three million, one hundred thirty-eight thousand, three hundred eighty".