93030140 has 48 divisors (see below), whose sum is σ = 223860672. Its totient is φ = 31812096.

The previous prime is 93030139. The next prime is 93030181. The reversal of 93030140 is 4103039.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent 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, 77384 + ... + 78576.

It is an arithmetic number, because the mean of its divisors is an integer number (4663764).

Almost surely, 2^93030140 is an apocalyptic number.

It is an amenable number.

93030140 is an abundant number, since it is smaller than the sum of its proper divisors (130830532).

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

93030140 is a wasteful number, since it uses less digits than its factorization.

93030140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 93030140 is about 9645.2133206062. The cubic root of 93030140 is about 453.1144283859.

Adding to 93030140 its reverse (4103039), we get a palindrome (97133179).

The spelling of 93030140 in words is "ninety-three million, thirty thousand, one hundred forty".