5387987 has 4 divisors (see below), whose sum is σ = 5877816. Its totient is φ = 4898160.

The previous prime is 5387983. The next prime is 5387999. The reversal of 5387987 is 7897835.

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 5387987 - 2² = 5387983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5387983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244898 + ... + 244919.

It is an arithmetic number, because the mean of its divisors is an integer number (1469454).

Almost surely, 2^5387987 is an apocalyptic number.

5387987 is a deficient number, since it is larger than the sum of its proper divisors (489829).

5387987 is a wasteful number, since it uses less digits than its factorization.

5387987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489828.

The product of its digits is 423360, while the sum is 47.

The square root of 5387987 is about 2321.2037825232. The cubic root of 5387987 is about 175.3108705708.

The spelling of 5387987 in words is "five million, three hundred eighty-seven thousand, nine hundred eighty-seven".