6632881 has 4 divisors (see below), whose sum is σ = 6982000. Its totient is φ = 6283764.

The previous prime is 6632849. The next prime is 6632887. The reversal of 6632881 is 1882366.

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.

It is a cyclic number.

It is not a de Polignac number, because 6632881 - 2⁵ = 6632849 is a prime.

It is a super-2 number, since 2×6632881² = 87990220720322, which contains 22 as substring.

It is a Duffinian number.

6632881 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6632887) 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, 174531 + ... + 174568.

It is an arithmetic number, because the mean of its divisors is an integer number (1745500).

Almost surely, 2^6632881 is an apocalyptic number.

It is an amenable number.

6632881 is a deficient number, since it is larger than the sum of its proper divisors (349119).

6632881 is a wasteful number, since it uses less digits than its factorization.

6632881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349118.

The product of its digits is 13824, while the sum is 34.

The square root of 6632881 is about 2575.4380209976. The cubic root of 6632881 is about 187.8887318802. Note that the first 3 decimals are identical.

The spelling of 6632881 in words is "six million, six hundred thirty-two thousand, eight hundred eighty-one".