6214987 has 4 divisors (see below), whose sum is σ = 6307816. Its totient is φ = 6122160.

The previous prime is 6214981. The next prime is 6214993. The reversal of 6214987 is 7894126.

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

It is an interprime number because it is at equal distance from previous prime (6214981) and next prime (6214993).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6214987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6214981) 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, 46314 + ... + 46447.

It is an arithmetic number, because the mean of its divisors is an integer number (1576954).

Almost surely, 2^6214987 is an apocalyptic number.

6214987 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

6214987 is a deficient number, since it is larger than the sum of its proper divisors (92829).

6214987 is an equidigital number, since it uses as much as digits as its factorization.

6214987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92828.

The product of its digits is 24192, while the sum is 37.

The square root of 6214987 is about 2492.9875651515. The cubic root of 6214987 is about 183.8569599555.

The spelling of 6214987 in words is "six million, two hundred fourteen thousand, nine hundred eighty-seven".