406879 has 8 divisors (see below), whose sum is σ = 453888. Its totient is φ = 361560.

The previous prime is 406873. The next prime is 406883. The reversal of 406879 is 978604.

406879 = T₄₂ + T₄₃ + ... + T₁₃₅.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 406879 - 2¹⁵ = 374111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124 + ... + 910.

It is an arithmetic number, because the mean of its divisors is an integer number (56736).

2⁴⁰⁶⁸⁷⁹ is an apocalyptic number.

406879 is a deficient number, since it is larger than the sum of its proper divisors (47009).

406879 is a wasteful number, since it uses less digits than its factorization.

406879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 406879 is about 637.8706765482. The cubic root of 406879 is about 74.1006057952.

The spelling of 406879 in words is "four hundred six thousand, eight hundred seventy-nine".