6632405 has 24 divisors (see below), whose sum is σ = 8854272. Its totient is φ = 4764864.

The previous prime is 6632401. The next prime is 6632413. The reversal of 6632405 is 5042366.

It is not a de Polignac number, because 6632405 - 2² = 6632401 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 (6632401) 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 23 ways as a sum of consecutive naturals, for example, 39632 + ... + 39798.

It is an arithmetic number, because the mean of its divisors is an integer number (368928).

Almost surely, 2^6632405 is an apocalyptic number.

6632405 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6632405 is a deficient number, since it is larger than the sum of its proper divisors (2221867).

6632405 is a wasteful number, since it uses less digits than its factorization.

6632405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 6632405 is about 2575.3456078748. The cubic root of 6632405 is about 187.8842372433.

The spelling of 6632405 in words is "six million, six hundred thirty-two thousand, four hundred five".