426197412 has 72 divisors (see below), whose sum is σ = 1151350200. Its totient is φ = 132461568.

The previous prime is 426197411. The next prime is 426197441. The reversal of 426197412 is 214791624.

It is a happy number.

426197412 is a `hidden beast` number, since 426 + 197 + 41 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 31539456 + 394657956 = 5616^2 + 19866^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (426197411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63514 + ... + 69902.

It is an arithmetic number, because the mean of its divisors is an integer number (15990975).

Almost surely, 2^426197412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426197412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575675100).

426197412 is an abundant number, since it is smaller than the sum of its proper divisors (725152788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

426197412 is a wasteful number, since it uses less digits than its factorization.

426197412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6525 (or 6520 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 426197412 is about 20644.5492079629. The cubic root of 426197412 is about 752.5527308957.

The spelling of 426197412 in words is "four hundred twenty-six million, one hundred ninety-seven thousand, four hundred twelve".