8149965 has 16 divisors (see below), whose sum is σ = 13262400. Its totient is φ = 4272512.

The previous prime is 8149951. The next prime is 8149979. The reversal of 8149965 is 5699418.

It is an interprime number because it is at equal distance from previous prime (8149951) and next prime (8149979).

It is a cyclic number.

It is not a de Polignac number, because 8149965 - 2⁴ = 8149949 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3720 + ... + 5489.

It is an arithmetic number, because the mean of its divisors is an integer number (828900).

Almost surely, 2^8149965 is an apocalyptic number.

It is an amenable number.

8149965 is a deficient number, since it is larger than the sum of its proper divisors (5112435).

8149965 is a wasteful number, since it uses less digits than its factorization.

8149965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276.

The product of its digits is 77760, while the sum is 42.

The square root of 8149965 is about 2854.8143547348. The cubic root of 8149965 is about 201.2419797995.

The spelling of 8149965 in words is "eight million, one hundred forty-nine thousand, nine hundred sixty-five".