8434879 has 4 divisors (see below), whose sum is σ = 8878840. Its totient is φ = 7990920.

The previous prime is 8434861. The next prime is 8434891. The reversal of 8434879 is 9784348.

8434879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8434879 - 2⁵ = 8434847 is a prime.

It is a super-2 number, since 2×8434879² = 142294367489282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8434819) 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, 221952 + ... + 221989.

It is an arithmetic number, because the mean of its divisors is an integer number (2219710).

Almost surely, 2^8434879 is an apocalyptic number.

8434879 is a deficient number, since it is larger than the sum of its proper divisors (443961).

8434879 is a wasteful number, since it uses less digits than its factorization.

8434879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443960.

The product of its digits is 193536, while the sum is 43.

The square root of 8434879 is about 2904.2863150867. The cubic root of 8434879 is about 203.5602390954.

The spelling of 8434879 in words is "eight million, four hundred thirty-four thousand, eight hundred seventy-nine".