426780486 has 96 divisors (see below), whose sum is σ = 1044845568. Its totient is φ = 124787520.

The previous prime is 426780469. The next prime is 426780491. The reversal of 426780486 is 684087624.

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 47 ways as a sum of consecutive naturals, for example, 702795 + ... + 703401.

It is an arithmetic number, because the mean of its divisors is an integer number (10883808).

Almost surely, 2^426780486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426780486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522422784).

426780486 is an abundant number, since it is smaller than the sum of its proper divisors (618065082).

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

426780486 is a wasteful number, since it uses less digits than its factorization.

426780486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 426780486 is about 20658.6661234456. Note that the first 3 decimals coincide. The cubic root of 426780486 is about 752.8957597115.

The spelling of 426780486 in words is "four hundred twenty-six million, seven hundred eighty thousand, four hundred eighty-six".