5947987 has 4 divisors (see below), whose sum is σ = 6153120. Its totient is φ = 5742856.

The previous prime is 5947979. The next prime is 5947999. The reversal of 5947987 is 7897495.

It is a happy number.

5947987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5947987 - 2³ = 5947979 is a prime.

It is a Duffinian number.

5947987 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5947987.

It is not an unprimeable number, because it can be changed into a prime (5947957) 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 3 ways as a sum of consecutive naturals, for example, 102523 + ... + 102580.

It is an arithmetic number, because the mean of its divisors is an integer number (1538280).

Almost surely, 2^5947987 is an apocalyptic number.

5947987 is a deficient number, since it is larger than the sum of its proper divisors (205133).

5947987 is a wasteful number, since it uses less digits than its factorization.

5947987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205132.

The product of its digits is 635040, while the sum is 49.

The square root of 5947987 is about 2438.8495238534. The cubic root of 5947987 is about 181.1854574791.

The spelling of 5947987 in words is "five million, nine hundred forty-seven thousand, nine hundred eighty-seven".