8149995 has 24 divisors (see below), whose sum is σ = 16145376. Its totient is φ = 3725568.

The previous prime is 8149991. The next prime is 8150011. The reversal of 8149995 is 5999418.

It is not a de Polignac number, because 8149995 - 2² = 8149991 is a prime.

It is a super-3 number, since 3×8149995³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8149995.

It is not an unprimeable number, because it can be changed into a prime (8149991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12622 + ... + 13251.

It is an arithmetic number, because the mean of its divisors is an integer number (672724).

Almost surely, 2^8149995 is an apocalyptic number.

8149995 is a deficient number, since it is larger than the sum of its proper divisors (7995381).

8149995 is a wasteful number, since it uses less digits than its factorization.

8149995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25891 (or 25888 counting only the distinct ones).

The product of its digits is 116640, while the sum is 45.

The square root of 8149995 is about 2854.8196090121. The cubic root of 8149995 is about 201.2422267229.

The spelling of 8149995 in words is "eight million, one hundred forty-nine thousand, nine hundred ninety-five".