487923820 has 12 divisors (see below), whose sum is σ = 1024640064. Its totient is φ = 195169520.

The previous prime is 487923809. The next prime is 487923823. The reversal of 487923820 is 28329784.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (487923823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12198076 + ... + 12198115.

It is an arithmetic number, because the mean of its divisors is an integer number (85386672).

Almost surely, 2^487923820 is an apocalyptic number.

It is an amenable number.

487923820 is an abundant number, since it is smaller than the sum of its proper divisors (536716244).

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

487923820 is a wasteful number, since it uses less digits than its factorization.

487923820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24396200 (or 24396198 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The square root of 487923820 is about 22088.9977137941. The cubic root of 487923820 is about 787.2584669536.

The spelling of 487923820 in words is "four hundred eighty-seven million, nine hundred twenty-three thousand, eight hundred twenty".