8382540 has 24 divisors (see below), whose sum is σ = 23471280. Its totient is φ = 2235328.

The previous prime is 8382529. The next prime is 8382541. The reversal of 8382540 is 452838.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8382498 and 8382507.

It is not an unprimeable number, because it can be changed into a prime (8382541) 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, 69795 + ... + 69914.

It is an arithmetic number, because the mean of its divisors is an integer number (977970).

Almost surely, 2^8382540 is an apocalyptic number.

It is an amenable number.

8382540 is an abundant number, since it is smaller than the sum of its proper divisors (15088740).

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

8382540 is a wasteful number, since it uses less digits than its factorization.

8382540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139721 (or 139719 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 8382540 is about 2895.2616462075. The cubic root of 8382540 is about 203.1383301705.

The spelling of 8382540 in words is "eight million, three hundred eighty-two thousand, five hundred forty".