7947894 has 8 divisors (see below), whose sum is σ = 15895800. Its totient is φ = 2649296.

The previous prime is 7947869. The next prime is 7947899. The reversal of 7947894 is 4987497.

It is a happy number.

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

7947894 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7947899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662319 + ... + 662330.

It is an arithmetic number, because the mean of its divisors is an integer number (1986975).

Almost surely, 2^7947894 is an apocalyptic number.

7947894 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7947894 is a wasteful number, since it uses less digits than its factorization.

7947894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324654.

The product of its digits is 508032, while the sum is 48.

The square root of 7947894 is about 2819.2009506241. The cubic root of 7947894 is about 199.5648371867.

The spelling of 7947894 in words is "seven million, nine hundred forty-seven thousand, eight hundred ninety-four".