6128979 has 16 divisors (see below), whose sum is σ = 8586240. Its totient is φ = 3883680.

The previous prime is 6128977. The next prime is 6128987. The reversal of 6128979 is 9798216.

It is not a de Polignac number, because 6128979 - 2¹ = 6128977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6128979.

It is not an unprimeable number, because it can be changed into a prime (6128977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4929 + ... + 6045.

It is an arithmetic number, because the mean of its divisors is an integer number (536640).

Almost surely, 2^6128979 is an apocalyptic number.

6128979 is a deficient number, since it is larger than the sum of its proper divisors (2457261).

6128979 is a wasteful number, since it uses less digits than its factorization.

6128979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1210.

The product of its digits is 54432, while the sum is 42.

The square root of 6128979 is about 2475.6774830337. The cubic root of 6128979 is about 183.0048969994.

It can be divided in two parts, 612 and 8979, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 6128979 in words is "six million, one hundred twenty-eight thousand, nine hundred seventy-nine".