7693987 has 8 divisors (see below), whose sum is σ = 8818272. Its totient is φ = 6576000.

The previous prime is 7693967. The next prime is 7693999. The reversal of 7693987 is 7893967.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7693987 is a prime.

It is a d-powerful number, because it can be written as 7 + 6⁷ + 9² + 3¹⁴ + 9⁶ + 8⁷ + 7⁴ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7693987.

It is not an unprimeable number, because it can be changed into a prime (7693927) 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 7 ways as a sum of consecutive naturals, for example, 1437 + ... + 4177.

It is an arithmetic number, because the mean of its divisors is an integer number (1102284).

Almost surely, 2^7693987 is an apocalyptic number.

7693987 is a deficient number, since it is larger than the sum of its proper divisors (1124285).

7693987 is a wasteful number, since it uses less digits than its factorization.

7693987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149.

The product of its digits is 571536, while the sum is 49.

The square root of 7693987 is about 2773.8037061047. The cubic root of 7693987 is about 197.4166672953.

The spelling of 7693987 in words is "seven million, six hundred ninety-three thousand, nine hundred eighty-seven".