406379 has 4 divisors (see below), whose sum is σ = 419520. Its totient is φ = 393240.

The previous prime is 406361. The next prime is 406381. The reversal of 406379 is 973604.

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 406379 - 2⁸ = 406123 is a prime.

It is a super-3 number, since 3×406379³ = 201333028623533817, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6524 + ... + 6585.

It is an arithmetic number, because the mean of its divisors is an integer number (104880).

2⁴⁰⁶³⁷⁹ is an apocalyptic number.

406379 is a deficient number, since it is larger than the sum of its proper divisors (13141).

406379 is a wasteful number, since it uses less digits than its factorization.

406379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13140.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 406379 is about 637.4786270927. The cubic root of 406379 is about 74.0702401009.

The spelling of 406379 in words is "four hundred six thousand, three hundred seventy-nine".