8283640 has 32 divisors (see below), whose sum is σ = 19096560. Its totient is φ = 3232000.

The previous prime is 8283637. The next prime is 8283683. The reversal of 8283640 is 463828.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 886 + ... + 4165.

Almost surely, 2^8283640 is an apocalyptic number.

It is an amenable number.

8283640 is an abundant number, since it is smaller than the sum of its proper divisors (10812920).

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

8283640 is a wasteful number, since it uses less digits than its factorization.

8283640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103 (or 5099 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 8283640 is about 2878.1313382123. The cubic root of 8283640 is about 202.3362696235.

The spelling of 8283640 in words is "eight million, two hundred eighty-three thousand, six hundred forty".