442634932 has 6 divisors (see below), whose sum is σ = 774611138. Its totient is φ = 221317464.

The previous prime is 442634921. The next prime is 442634947. The reversal of 442634932 is 239436244.

It can be written as a sum of positive squares in only one way, i.e., 299497636 + 143137296 = 17306^2 + 11964^2 .

It is a junction number, because it is equal to n+sod(n) for n = 442634891 and 442634900.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55329363 + ... + 55329370.

Almost surely, 2^442634932 is an apocalyptic number.

It is an amenable number.

442634932 is a deficient number, since it is larger than the sum of its proper divisors (331976206).

442634932 is a wasteful number, since it uses less digits than its factorization.

442634932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110658737 (or 110658735 counting only the distinct ones).

The product of its digits is 124416, while the sum is 37.

The square root of 442634932 is about 21038.8909403514. The cubic root of 442634932 is about 762.1057322805.

The spelling of 442634932 in words is "four hundred forty-two million, six hundred thirty-four thousand, nine hundred thirty-two".