426197405 has 4 divisors (see below), whose sum is σ = 511436892. Its totient is φ = 340957920.

The previous prime is 426197399. The next prime is 426197411. The reversal of 426197405 is 504791624.

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 (426197399) and next prime (426197411).

It can be written as a sum of positive squares in 2 ways, for example, as 254115481 + 172081924 = 15941^2 + 13118^2 .

It is a de Polignac number, because none of the positive numbers 2^k-426197405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42619736 + ... + 42619745.

It is an arithmetic number, because the mean of its divisors is an integer number (127859223).

Almost surely, 2^426197405 is an apocalyptic number.

It is an amenable number.

426197405 is a deficient number, since it is larger than the sum of its proper divisors (85239487).

426197405 is an equidigital number, since it uses as much as digits as its factorization.

426197405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85239486.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 426197405 is about 20644.5490384266. The cubic root of 426197405 is about 752.5527267756.

The spelling of 426197405 in words is "four hundred twenty-six million, one hundred ninety-seven thousand, four hundred five".