8158844 has 12 divisors (see below), whose sum is σ = 15117984. Its totient is φ = 3839424.

The previous prime is 8158841. The next prime is 8158867. The reversal of 8158844 is 4488518.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 8158798 and 8158807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8158841) 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, 59924 + ... + 60059.

It is an arithmetic number, because the mean of its divisors is an integer number (1259832).

Almost surely, 2^8158844 is an apocalyptic number.

It is an amenable number.

8158844 is a deficient number, since it is larger than the sum of its proper divisors (6959140).

8158844 is a wasteful number, since it uses less digits than its factorization.

8158844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120004 (or 120002 counting only the distinct ones).

The product of its digits is 40960, while the sum is 38.

The square root of 8158844 is about 2856.3690237783. The cubic root of 8158844 is about 201.3150344708.

The spelling of 8158844 in words is "eight million, one hundred fifty-eight thousand, eight hundred forty-four".