679403841 has 16 divisors (see below), whose sum is σ = 915768000. Its totient is φ = 448014528.

The previous prime is 679403797. The next prime is 679403869. The reversal of 679403841 is 148304976.

It is not a de Polignac number, because 679403841 - 2¹⁵ = 679371073 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 679403793 and 679403802.

It is not an unprimeable number, because it can be changed into a prime (679403441) 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, 104710 + ... + 111008.

It is an arithmetic number, because the mean of its divisors is an integer number (57235500).

Almost surely, 2^679403841 is an apocalyptic number.

It is an amenable number.

679403841 is a deficient number, since it is larger than the sum of its proper divisors (236364159).

679403841 is a wasteful number, since it uses less digits than its factorization.

679403841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6688.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 679403841 is about 26065.3762873280. The cubic root of 679403841 is about 879.1088779647.

The spelling of 679403841 in words is "six hundred seventy-nine million, four hundred three thousand, eight hundred forty-one".