487445826 has 48 divisors (see below), whose sum is σ = 1137710880. Its totient is φ = 138821760.

The previous prime is 487445809. The next prime is 487445839. The reversal of 487445826 is 628544784.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94810 + ... + 99818.

It is an arithmetic number, because the mean of its divisors is an integer number (23702310).

Almost surely, 2^487445826 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487445826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568855440).

487445826 is an abundant number, since it is smaller than the sum of its proper divisors (650265054).

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

487445826 is a wasteful number, since it uses less digits than its factorization.

487445826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359 (or 5352 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 48.

The square root of 487445826 is about 22078.1753322144. The cubic root of 487445826 is about 787.0013040132.

The spelling of 487445826 in words is "four hundred eighty-seven million, four hundred forty-five thousand, eight hundred twenty-six".