30140887 has 8 divisors (see below), whose sum is σ = 34538400. Its totient is φ = 25766304.

The previous prime is 30140867. The next prime is 30140909. The reversal of 30140887 is 78804103.

It is a happy number.

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 30140887 - 2¹¹ = 30138839 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 (30140827) 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, 2812 + ... + 8257.

It is an arithmetic number, because the mean of its divisors is an integer number (4317300).

Almost surely, 2^30140887 is an apocalyptic number.

30140887 is a deficient number, since it is larger than the sum of its proper divisors (4397513).

30140887 is a wasteful number, since it uses less digits than its factorization.

30140887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11465.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 30140887 is about 5490.0716753063. The cubic root of 30140887 is about 311.2089007737.

The spelling of 30140887 in words is "thirty million, one hundred forty thousand, eight hundred eighty-seven".