8021382 has 32 divisors (see below), whose sum is σ = 17884800. Its totient is φ = 2383488.

The previous prime is 8021381. The next prime is 8021383. The reversal of 8021382 is 2831208.

It is an interprime number because it is at equal distance from previous prime (8021381) and next prime (8021383).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8021381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132 + ... + 4007.

It is an arithmetic number, because the mean of its divisors is an integer number (558900).

Almost surely, 2^8021382 is an apocalyptic number.

8021382 is an abundant number, since it is smaller than the sum of its proper divisors (9863418).

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

8021382 is a wasteful number, since it uses less digits than its factorization.

8021382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 8021382 is about 2832.2044417732. The cubic root of 8021382 is about 200.1780248221.

The spelling of 8021382 in words is "eight million, twenty-one thousand, three hundred eighty-two".