8312940 has 36 divisors (see below), whose sum is σ = 25216464. Its totient is φ = 2216736.

The previous prime is 8312921. The next prime is 8312947. The reversal of 8312940 is 492138.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (8312947) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22912 + ... + 23271.

Almost surely, 2^8312940 is an apocalyptic number.

It is an amenable number.

8312940 is an abundant number, since it is smaller than the sum of its proper divisors (16903524).

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

8312940 is a wasteful number, since it uses less digits than its factorization.

8312940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46198 (or 46193 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 8312940 is about 2883.2169533353. The cubic root of 8312940 is about 202.5745495977.

The spelling of 8312940 in words is "eight million, three hundred twelve thousand, nine hundred forty".