8540382 has 32 divisors (see below), whose sum is σ = 17690400. Its totient is φ = 2746880.

The previous prime is 8540381. The next prime is 8540387. The reversal of 8540382 is 2830458.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540381) 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, 36538 + ... + 36770.

It is an arithmetic number, because the mean of its divisors is an integer number (552825).

Almost surely, 2^8540382 is an apocalyptic number.

8540382 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8540382 is an abundant number, since it is smaller than the sum of its proper divisors (9150018).

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

8540382 is a wasteful number, since it uses less digits than its factorization.

8540382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428.

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

The square root of 8540382 is about 2922.3931973641. The cubic root of 8540382 is about 204.4054316925.

The spelling of 8540382 in words is "eight million, five hundred forty thousand, three hundred eighty-two".