487450428 has 12 divisors (see below), whose sum is σ = 1137384360. Its totient is φ = 162483472.

The previous prime is 487450423. The next prime is 487450433. The reversal of 487450428 is 824054784.

It is an interprime number because it is at equal distance from previous prime (487450423) and next prime (487450433).

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 487450428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487450421) 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 3 ways as a sum of consecutive naturals, for example, 20310423 + ... + 20310446.

It is an arithmetic number, because the mean of its divisors is an integer number (94782030).

Almost surely, 2^487450428 is an apocalyptic number.

It is an amenable number.

487450428 is an abundant number, since it is smaller than the sum of its proper divisors (649933932).

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

487450428 is a wasteful number, since it uses less digits than its factorization.

487450428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40620876 (or 40620874 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 42.

The square root of 487450428 is about 22078.2795525376. The cubic root of 487450428 is about 787.0037807114.

The spelling of 487450428 in words is "four hundred eighty-seven million, four hundred fifty thousand, four hundred twenty-eight".