30040587 has 12 divisors (see below), whose sum is σ = 43439760. Its totient is φ = 20005008.

The previous prime is 30040579. The next prime is 30040601. The reversal of 30040587 is 78504003.

It is not a de Polignac number, because 30040587 - 2³ = 30040579 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30040587.

It is not an unprimeable number, because it can be changed into a prime (30040687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13714 + ... + 15752.

It is an arithmetic number, because the mean of its divisors is an integer number (3619980).

Almost surely, 2^30040587 is an apocalyptic number.

30040587 is a deficient number, since it is larger than the sum of its proper divisors (13399173).

30040587 is a wasteful number, since it uses less digits than its factorization.

30040587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682 (or 3679 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 30040587 is about 5480.9293919918. The cubic root of 30040587 is about 310.8633132793.

The spelling of 30040587 in words is "thirty million, forty thousand, five hundred eighty-seven".