487292840 has 16 divisors (see below), whose sum is σ = 1096408980. Its totient is φ = 194917120.

The previous prime is 487292837. The next prime is 487292843. The reversal of 487292840 is 48292784.

It is an interprime number because it is at equal distance from previous prime (487292837) and next prime (487292843).

It can be written as a sum of positive squares in 2 ways, for example, as 480749476 + 6543364 = 21926^2 + 2558^2 .

It is a junction number, because it is equal to n+sod(n) for n = 487292791 and 487292800.

It is not an unprimeable number, because it can be changed into a prime (487292843) 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, 6091121 + ... + 6091200.

Almost surely, 2^487292840 is an apocalyptic number.

487292840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487292840 is an abundant number, since it is smaller than the sum of its proper divisors (609116140).

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

487292840 is a wasteful number, since it uses less digits than its factorization.

487292840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12182332 (or 12182328 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 487292840 is about 22074.7104171267. The cubic root of 487292840 is about 786.9189613382.

The spelling of 487292840 in words is "four hundred eighty-seven million, two hundred ninety-two thousand, eight hundred forty".