8442634 has 8 divisors (see below), whose sum is σ = 12694500. Its totient is φ = 4211136.

The previous prime is 8442607. The next prime is 8442641. The reversal of 8442634 is 4362448.

It can be written as a sum of positive squares in 2 ways, for example, as 7038409 + 1404225 = 2653^2 + 1185^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 8442596 and 8442605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4009 + ... + 5740.

Almost surely, 2^8442634 is an apocalyptic number.

8442634 is a deficient number, since it is larger than the sum of its proper divisors (4251866).

8442634 is a wasteful number, since it uses less digits than its factorization.

8442634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10184.

The product of its digits is 18432, while the sum is 31.

The square root of 8442634 is about 2905.6211039982. The cubic root of 8442634 is about 203.6226041912.

The spelling of 8442634 in words is "eight million, four hundred forty-two thousand, six hundred thirty-four".