7983487 has 4 divisors (see below), whose sum is σ = 8056840. Its totient is φ = 7910136.

The previous prime is 7983473. The next prime is 7983511. The reversal of 7983487 is 7843897.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7983487 - 2⁷ = 7983359 is a prime.

It is a Duffinian number.

7983487 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7983457) 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, 36513 + ... + 36730.

It is an arithmetic number, because the mean of its divisors is an integer number (2014210).

Almost surely, 2^7983487 is an apocalyptic number.

7983487 is a deficient number, since it is larger than the sum of its proper divisors (73353).

7983487 is a wasteful number, since it uses less digits than its factorization.

7983487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73352.

The product of its digits is 338688, while the sum is 46.

The square root of 7983487 is about 2825.5065032663. The cubic root of 7983487 is about 199.8622968777.

The spelling of 7983487 in words is "seven million, nine hundred eighty-three thousand, four hundred eighty-seven".