8165944 has 8 divisors (see below), whose sum is σ = 15311160. Its totient is φ = 4082968.

The previous prime is 8165939. The next prime is 8165957. The reversal of 8165944 is 4495618.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×8165944² = 133365282822272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510364 + ... + 510379.

It is an arithmetic number, because the mean of its divisors is an integer number (1913895).

Almost surely, 2^8165944 is an apocalyptic number.

It is an amenable number.

8165944 is a deficient number, since it is larger than the sum of its proper divisors (7145216).

8165944 is a wasteful number, since it uses less digits than its factorization.

8165944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020749 (or 1020745 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 8165944 is about 2857.6115901221. The cubic root of 8165944 is about 201.3734137515.

The spelling of 8165944 in words is "eight million, one hundred sixty-five thousand, nine hundred forty-four".