8975640 has 32 divisors (see below), whose sum is σ = 26927280. Its totient is φ = 2393472.

The previous prime is 8975639. The next prime is 8975641. The reversal of 8975640 is 465798.

It is an interprime number because it is at equal distance from previous prime (8975639) and next prime (8975641).

It is a super-2 number, since 2×8975640² = 161124226819200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8975641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37279 + ... + 37518.

Almost surely, 2^8975640 is an apocalyptic number.

It is an amenable number.

8975640 is an abundant number, since it is smaller than the sum of its proper divisors (17951640).

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

8975640 is a wasteful number, since it uses less digits than its factorization.

8975640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74811 (or 74807 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 8975640 is about 2995.9372490091. The cubic root of 8975640 is about 207.8205429453.

The spelling of 8975640 in words is "eight million, nine hundred seventy-five thousand, six hundred forty".