6299987 has 2 divisors, whose sum is σ = 6299988. Its totient is φ = 6299986.

The previous prime is 6299983. The next prime is 6300011. The reversal of 6299987 is 7899926.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6299987 - 2² = 6299983 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (6299983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3149993 + 3149994.

It is an arithmetic number, because the mean of its divisors is an integer number (3149994).

Almost surely, 2^6299987 is an apocalyptic number.

6299987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6299987 is an equidigital number, since it uses as much as digits as its factorization.

6299987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 50.

The square root of 6299987 is about 2509.9774899389. The cubic root of 6299987 is about 184.6913480082.

The spelling of 6299987 in words is "six million, two hundred ninety-nine thousand, nine hundred eighty-seven".