6632987 has 4 divisors (see below), whose sum is σ = 6691800. Its totient is φ = 6574176.

The previous prime is 6632981. The next prime is 6633001. The reversal of 6632987 is 7892366.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7892366 = 2 ⋅3946183.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6632987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6632981) 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, 29237 + ... + 29462.

It is an arithmetic number, because the mean of its divisors is an integer number (1672950).

Almost surely, 2^6632987 is an apocalyptic number.

6632987 is a deficient number, since it is larger than the sum of its proper divisors (58813).

6632987 is a wasteful number, since it uses less digits than its factorization.

6632987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58812.

The product of its digits is 108864, while the sum is 41.

The square root of 6632987 is about 2575.4585999390. The cubic root of 6632987 is about 187.8897327575.

The spelling of 6632987 in words is "six million, six hundred thirty-two thousand, nine hundred eighty-seven".