7984394 has 8 divisors (see below), whose sum is σ = 13065408. Its totient is φ = 3629260.

The previous prime is 7984387. The next prime is 7984399. The reversal of 7984394 is 4934897.

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 + 9⁵ + 8⁷ + 4 + 3⁵ + 9⁵ + 4⁶ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7984399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181442 + ... + 181485.

It is an arithmetic number, because the mean of its divisors is an integer number (1633176).

Almost surely, 2^7984394 is an apocalyptic number.

7984394 is a deficient number, since it is larger than the sum of its proper divisors (5081014).

7984394 is a wasteful number, since it uses less digits than its factorization.

7984394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362940.

The product of its digits is 217728, while the sum is 44.

The square root of 7984394 is about 2825.6670009044. The cubic root of 7984394 is about 199.8698653432.

The spelling of 7984394 in words is "seven million, nine hundred eighty-four thousand, three hundred ninety-four".