426299287 has 4 divisors (see below), whose sum is σ = 426764080. Its totient is φ = 425834496.

The previous prime is 426299267. The next prime is 426299303. The reversal of 426299287 is 782992624.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426299287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426299287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426299267) by changing a digit.

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, 231018 + ... + 232855.

It is an arithmetic number, because the mean of its divisors is an integer number (106691020).

Almost surely, 2^426299287 is an apocalyptic number.

426299287 is a deficient number, since it is larger than the sum of its proper divisors (464793).

426299287 is an equidigital number, since it uses as much as digits as its factorization.

426299287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464792.

The product of its digits is 870912, while the sum is 49.

The square root of 426299287 is about 20647.0164188437. The cubic root of 426299287 is about 752.6126876196.

The spelling of 426299287 in words is "four hundred twenty-six million, two hundred ninety-nine thousand, two hundred eighty-seven".