8283720 has 32 divisors (see below), whose sum is σ = 24851520. Its totient is φ = 2208960.

The previous prime is 8283719. The next prime is 8283721. The reversal of 8283720 is 273828.

It is an interprime number because it is at equal distance from previous prime (8283719) and next prime (8283721).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (8283721) 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, 34396 + ... + 34635.

It is an arithmetic number, because the mean of its divisors is an integer number (776610).

Almost surely, 2^8283720 is an apocalyptic number.

It is an amenable number.

8283720 is an abundant number, since it is smaller than the sum of its proper divisors (16567800).

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

8283720 is a wasteful number, since it uses less digits than its factorization.

8283720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69045 (or 69041 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 8283720 is about 2878.1452360852. The cubic root of 8283720 is about 202.3369209817.

The spelling of 8283720 in words is "eight million, two hundred eighty-three thousand, seven hundred twenty".