30140893 has 8 divisors (see below), whose sum is σ = 31350176. Its totient is φ = 28954800.

The previous prime is 30140867. The next prime is 30140909. The reversal of 30140893 is 39804103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30140893 - 2⁵ = 30140861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30140843) by changing a digit.

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, 3123 + ... + 8368.

It is an arithmetic number, because the mean of its divisors is an integer number (3918772).

Almost surely, 2^30140893 is an apocalyptic number.

It is an amenable number.

30140893 is a deficient number, since it is larger than the sum of its proper divisors (1209283).

30140893 is a wasteful number, since it uses less digits than its factorization.

30140893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11595.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 30140893 is about 5490.0722217472. The cubic root of 30140893 is about 311.2089214240.

Adding to 30140893 its reverse (39804103), we get a palindrome (69944996).

The spelling of 30140893 in words is "thirty million, one hundred forty thousand, eight hundred ninety-three".