632005881 has 8 divisors (see below), whose sum is σ = 907495680. Its totient is φ = 388926672.

The previous prime is 632005853. The next prime is 632005921. The reversal of 632005881 is 188500236.

It is a happy number.

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

It is not a de Polignac number, because 632005881 - 2⁹ = 632005369 is a prime.

It is a super-2 number, since 2×632005881² = 798862867237172322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (632005831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8102601 + ... + 8102678.

It is an arithmetic number, because the mean of its divisors is an integer number (113436960).

Almost surely, 2^632005881 is an apocalyptic number.

It is an amenable number.

632005881 is a deficient number, since it is larger than the sum of its proper divisors (275489799).

632005881 is a wasteful number, since it uses less digits than its factorization.

632005881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16205295.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 632005881 is about 25139.7271464907. The cubic root of 632005881 is about 858.1707472570.

The spelling of 632005881 in words is "six hundred thirty-two million, five thousand, eight hundred eighty-one".