6632861 has 4 divisors (see below), whose sum is σ = 6640224. Its totient is φ = 6625500.

The previous prime is 6632849. The next prime is 6632887. The reversal of 6632861 is 1682366.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6632861 - 2⁶ = 6632797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6635861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105 + ... + 4206.

It is an arithmetic number, because the mean of its divisors is an integer number (1660056).

Almost surely, 2^6632861 is an apocalyptic number.

It is an amenable number.

6632861 is a deficient number, since it is larger than the sum of its proper divisors (7363).

6632861 is a wasteful number, since it uses less digits than its factorization.

6632861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7362.

The product of its digits is 10368, while the sum is 32.

The square root of 6632861 is about 2575.4341381600. The cubic root of 6632861 is about 187.8885430342. Note that the first 3 decimals are identical.

The spelling of 6632861 in words is "six million, six hundred thirty-two thousand, eight hundred sixty-one".