6299979 has 24 divisors (see below), whose sum is σ = 10350288. Its totient is φ = 3386880.

The previous prime is 6299977. The next prime is 6299983. The reversal of 6299979 is 9799926.

It is not a de Polignac number, because 6299979 - 2¹ = 6299977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (6299977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1239 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (431262).

Almost surely, 2^6299979 is an apocalyptic number.

6299979 is a deficient number, since it is larger than the sum of its proper divisors (4050309).

6299979 is a wasteful number, since it uses less digits than its factorization.

6299979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555 (or 2548 counting only the distinct ones).

The product of its digits is 551124, while the sum is 51.

The square root of 6299979 is about 2509.9758962986. The cubic root of 6299979 is about 184.6912698318.

The spelling of 6299979 in words is "six million, two hundred ninety-nine thousand, nine hundred seventy-nine".