5662987 has 8 divisors (see below), whose sum is σ = 6377472. Its totient is φ = 4981800.

The previous prime is 5662973. The next prime is 5663011. The reversal of 5662987 is 7892665.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5662987 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 (5662927) 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 7 ways as a sum of consecutive naturals, for example, 7963 + ... + 8644.

It is an arithmetic number, because the mean of its divisors is an integer number (797184).

Almost surely, 2^5662987 is an apocalyptic number.

5662987 is a deficient number, since it is larger than the sum of its proper divisors (714485).

5662987 is a wasteful number, since it uses less digits than its factorization.

5662987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16649.

The product of its digits is 181440, while the sum is 43.

The square root of 5662987 is about 2379.7031327458. The cubic root of 5662987 is about 178.2441102186.

It can be divided in two parts, 566 and 2987, that added together give a palindrome (3553).

The spelling of 5662987 in words is "five million, six hundred sixty-two thousand, nine hundred eighty-seven".