8495640 has 48 divisors (see below), whose sum is σ = 27612000. Its totient is φ = 2265408.

The previous prime is 8495629. The next prime is 8495657. The reversal of 8495640 is 465948.

8495640 is a `hidden beast` number, since 8 + 4 + 9 + 5 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 8495595 and 8495604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11440 + ... + 12159.

It is an arithmetic number, because the mean of its divisors is an integer number (575250).

Almost surely, 2^8495640 is an apocalyptic number.

It is an amenable number.

8495640 is an abundant number, since it is smaller than the sum of its proper divisors (19116360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8495640 is a wasteful number, since it uses less digits than its factorization.

8495640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23616 (or 23609 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 8495640 is about 2914.7281176810. The cubic root of 8495640 is about 204.0478549785.

The spelling of 8495640 in words is "eight million, four hundred ninety-five thousand, six hundred forty".