426019984 has 40 divisors (see below), whose sum is σ = 927565632. Its totient is φ = 188073600.

The previous prime is 426019981. The next prime is 426019987. The reversal of 426019984 is 489910624.

It is an interprime number because it is at equal distance from previous prime (426019981) and next prime (426019987).

It is a self number, because there is not a number n which added to its sum of digits gives 426019984.

It is not an unprimeable number, because it can be changed into a prime (426019981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39742 + ... + 49309.

Almost surely, 2^426019984 is an apocalyptic number.

It is an amenable number.

426019984 is an abundant number, since it is smaller than the sum of its proper divisors (501545648).

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

426019984 is a wasteful number, since it uses less digits than its factorization.

426019984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89095 (or 89089 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 426019984 is about 20640.2515488547. The cubic root of 426019984 is about 752.4482859794.

The spelling of 426019984 in words is "four hundred twenty-six million, nineteen thousand, nine hundred eighty-four".