632454646 has 4 divisors (see below), whose sum is σ = 948681972. Its totient is φ = 316227322.

The previous prime is 632454629. The next prime is 632454677. The reversal of 632454646 is 646454236.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 632454599 and 632454608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158113660 + ... + 158113663.

It is an arithmetic number, because the mean of its divisors is an integer number (237170493).

Almost surely, 2^632454646 is an apocalyptic number.

632454646 is a deficient number, since it is larger than the sum of its proper divisors (316227326).

632454646 is a wasteful number, since it uses less digits than its factorization.

632454646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316227325.

The product of its digits is 414720, while the sum is 40.

The square root of 632454646 is about 25148.6509777364. The cubic root of 632454646 is about 858.3738180881.

The spelling of 632454646 in words is "six hundred thirty-two million, four hundred fifty-four thousand, six hundred forty-six".