8436979 has 2 divisors, whose sum is σ = 8436980. Its totient is φ = 8436978.

The previous prime is 8436977. The next prime is 8436983. The reversal of 8436979 is 9796348.

8436979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8436979 - 2¹ = 8436977 is a prime.

It is a super-2 number, since 2×8436979² = 142365229292882, which contains 22 as substring.

Together with 8436977, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8436977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4218489 + 4218490.

It is an arithmetic number, because the mean of its divisors is an integer number (4218490).

Almost surely, 2^8436979 is an apocalyptic number.

8436979 is a deficient number, since it is larger than the sum of its proper divisors (1).

8436979 is an equidigital number, since it uses as much as digits as its factorization.

8436979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 46.

The square root of 8436979 is about 2904.6478271901. The cubic root of 8436979 is about 203.5771309018.

It can be divided in two parts, 84369 and 79, that added together give a palindrome (84448).

The spelling of 8436979 in words is "eight million, four hundred thirty-six thousand, nine hundred seventy-nine".