632589946 has 4 divisors (see below), whose sum is σ = 948884922. Its totient is φ = 316294972.

The previous prime is 632589929. The next prime is 632589949. The reversal of 632589946 is 649985236.

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

It can be written as a sum of positive squares in only one way, i.e., 502880625 + 129709321 = 22425^2 + 11389^2 .

It is a junction number, because it is equal to n+sod(n) for n = 632589893 and 632589902.

It is not an unprimeable number, because it can be changed into a prime (632589949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158147485 + ... + 158147488.

Almost surely, 2^632589946 is an apocalyptic number.

632589946 is a deficient number, since it is larger than the sum of its proper divisors (316294976).

632589946 is a wasteful number, since it uses less digits than its factorization.

632589946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316294975.

The product of its digits is 2799360, while the sum is 52.

The square root of 632589946 is about 25151.3408390090. The cubic root of 632589946 is about 858.4350238982.

The spelling of 632589946 in words is "six hundred thirty-two million, five hundred eighty-nine thousand, nine hundred forty-six".