7864382 has 8 divisors (see below), whose sum is σ = 11875152. Its totient is φ = 3906000.

The previous prime is 7864379. The next prime is 7864391. The reversal of 7864382 is 2834687.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 7⁸ + 8 + 6² + 4⁴ + 3⁴ + 8⁷ + 2¹¹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12719 + ... + 13322.

It is an arithmetic number, because the mean of its divisors is an integer number (1484394).

Almost surely, 2^7864382 is an apocalyptic number.

7864382 is a deficient number, since it is larger than the sum of its proper divisors (4010770).

7864382 is a wasteful number, since it uses less digits than its factorization.

7864382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26194.

The product of its digits is 64512, while the sum is 38.

The square root of 7864382 is about 2804.3505487011. The cubic root of 7864382 is about 198.8634029719.

The spelling of 7864382 in words is "seven million, eight hundred sixty-four thousand, three hundred eighty-two".