406842395 has 4 divisors (see below), whose sum is σ = 488210880. Its totient is φ = 325473912.

The previous prime is 406842349. The next prime is 406842413. The reversal of 406842395 is 593248604.

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 406842395 - 2¹⁴ = 406826011 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40684235 + ... + 40684244.

It is an arithmetic number, because the mean of its divisors is an integer number (122052720).

Almost surely, 2^406842395 is an apocalyptic number.

406842395 is a deficient number, since it is larger than the sum of its proper divisors (81368485).

406842395 is an equidigital number, since it uses as much as digits as its factorization.

406842395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81368484.

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 406842395 is about 20170.3345287082. The cubic root of 406842395 is about 740.9838356692.

The spelling of 406842395 in words is "four hundred six million, eight hundred forty-two thousand, three hundred ninety-five".