8442506 has 8 divisors (see below), whose sum is σ = 13408740. Its totient is φ = 3972928.

The previous prime is 8442481. The next prime is 8442521. The reversal of 8442506 is 6052448.

It can be written as a sum of positive squares in 2 ways, for example, as 8439025 + 3481 = 2905^2 + 59^2 .

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

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, 124121 + ... + 124188.

Almost surely, 2^8442506 is an apocalyptic number.

8442506 is a deficient number, since it is larger than the sum of its proper divisors (4966234).

8442506 is a wasteful number, since it uses less digits than its factorization.

8442506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248328.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 8442506 is about 2905.5990776430. The cubic root of 8442506 is about 203.6215751354.

The spelling of 8442506 in words is "eight million, four hundred forty-two thousand, five hundred six".