8442538 has 16 divisors (see below), whose sum is σ = 14109480. Its totient is φ = 3761856.

The previous prime is 8442521. The next prime is 8442559. The reversal of 8442538 is 8352448.

It can be written as a sum of positive squares in 4 ways, for example, as 4782969 + 3659569 = 2187^2 + 1913^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4845 + ... + 6352.

Almost surely, 2^8442538 is an apocalyptic number.

8442538 is a deficient number, since it is larger than the sum of its proper divisors (5666942).

8442538 is a wasteful number, since it uses less digits than its factorization.

8442538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11241.

The product of its digits is 30720, while the sum is 34.

The square root of 8442538 is about 2905.6045842475. The cubic root of 8442538 is about 203.6218324003.

The spelling of 8442538 in words is "eight million, four hundred forty-two thousand, five hundred thirty-eight".