6993287 has 8 divisors (see below), whose sum is σ = 8105472. Its totient is φ = 5909400.

The previous prime is 6993281. The next prime is 6993293. The reversal of 6993287 is 7823996.

It is an interprime number because it is at equal distance from previous prime (6993281) and next prime (6993293).

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

It is not a de Polignac number, because 6993287 - 2¹⁴ = 6976903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6993281) 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, 6539 + ... + 7532.

It is an arithmetic number, because the mean of its divisors is an integer number (1013184).

Almost surely, 2^6993287 is an apocalyptic number.

6993287 is a deficient number, since it is larger than the sum of its proper divisors (1112185).

6993287 is a wasteful number, since it uses less digits than its factorization.

6993287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14149.

The product of its digits is 163296, while the sum is 44.

The square root of 6993287 is about 2644.4823690091. The cubic root of 6993287 is about 191.2319486857.

The spelling of 6993287 in words is "six million, nine hundred ninety-three thousand, two hundred eighty-seven".