7987494 has 8 divisors (see below), whose sum is σ = 15975000. Its totient is φ = 2662496.

The previous prime is 7987487. The next prime is 7987531. The reversal of 7987494 is 4947897.

It is a happy number.

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

7987494 is an admirable number.

It is an Ulam number.

It is a Curzon number.

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, 665619 + ... + 665630.

It is an arithmetic number, because the mean of its divisors is an integer number (1996875).

Almost surely, 2^7987494 is an apocalyptic number.

7987494 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.

7987494 is a wasteful number, since it uses less digits than its factorization.

7987494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1331254.

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

The square root of 7987494 is about 2826.2154907225. The cubic root of 7987494 is about 199.8957289806.

The spelling of 7987494 in words is "seven million, nine hundred eighty-seven thousand, four hundred ninety-four".