426601984 has 40 divisors (see below), whose sum is σ = 897252840. Its totient is φ = 202070016.

The previous prime is 426601969. The next prime is 426601993. The reversal of 426601984 is 489106624.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12199 + ... + 31654.

It is an arithmetic number, because the mean of its divisors is an integer number (22431321).

Almost surely, 2^426601984 is an apocalyptic number.

It is an amenable number.

426601984 is an abundant number, since it is smaller than the sum of its proper divisors (470650856).

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

426601984 is an equidigital number, since it uses as much as digits as its factorization.

426601984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43890 (or 43874 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 426601984 is about 20654.3454023603. The cubic root of 426601984 is about 752.7907782324.

It can be divided in two parts, 42660 and 1984, that added together give a palindrome (44644).

The spelling of 426601984 in words is "four hundred twenty-six million, six hundred one thousand, nine hundred eighty-four".