8442199 has 4 divisors (see below), whose sum is σ = 8714560. Its totient is φ = 8169840.

The previous prime is 8442167. The next prime is 8442221. The reversal of 8442199 is 9912448.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 8442199 - 2⁵ = 8442167 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136134 + ... + 136195.

It is an arithmetic number, because the mean of its divisors is an integer number (2178640).

Almost surely, 2^8442199 is an apocalyptic number.

8442199 is a deficient number, since it is larger than the sum of its proper divisors (272361).

8442199 is a wasteful number, since it uses less digits than its factorization.

8442199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272360.

The product of its digits is 20736, while the sum is 37.

The square root of 8442199 is about 2905.5462481262. The cubic root of 8442199 is about 203.6191069669.

The spelling of 8442199 in words is "eight million, four hundred forty-two thousand, one hundred ninety-nine".