406082279 has 4 divisors (see below), whose sum is σ = 406169376. Its totient is φ = 405995184.

The previous prime is 406082267. The next prime is 406082291. The reversal of 406082279 is 972280604.

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

It is an interprime number because it is at equal distance from previous prime (406082267) and next prime (406082291).

It is a cyclic number.

It is not a de Polignac number, because 406082279 - 2⁴ = 406082263 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 (406082219) 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, 36134 + ... + 46019.

It is an arithmetic number, because the mean of its divisors is an integer number (101542344).

Almost surely, 2^406082279 is an apocalyptic number.

406082279 is a deficient number, since it is larger than the sum of its proper divisors (87097).

406082279 is an equidigital number, since it uses as much as digits as its factorization.

406082279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87096.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 406082279 is about 20151.4832952813. The cubic root of 406082279 is about 740.5220804460.

The spelling of 406082279 in words is "four hundred six million, eighty-two thousand, two hundred seventy-nine".