426323898 has 240 divisors, whose sum is σ = 1297739520. Its totient is φ = 101787840.

The previous prime is 426323897. The next prime is 426323899. The reversal of 426323898 is 898323624.

426323898 is a `hidden beast` number, since 4 + 2 + 632 + 3 + 8 + 9 + 8 = 666.

It is an interprime number because it is at equal distance from previous prime (426323897) and next prime (426323899).

It is not an unprimeable number, because it can be changed into a prime (426323897) 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 119 ways as a sum of consecutive naturals, for example, 1783663 + ... + 1783901.

It is an arithmetic number, because the mean of its divisors is an integer number (5407248).

Almost surely, 2^426323898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426323898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648869760).

426323898 is an abundant number, since it is smaller than the sum of its proper divisors (871415622).

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

426323898 is a wasteful number, since it uses less digits than its factorization.

426323898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 275 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 426323898 is about 20647.6124043435. The cubic root of 426323898 is about 752.6271705545.

The spelling of 426323898 in words is "four hundred twenty-six million, three hundred twenty-three thousand, eight hundred ninety-eight".