487881400 has 24 divisors (see below), whose sum is σ = 1134324720. Its totient is φ = 195152480.

The previous prime is 487881367. The next prime is 487881403. The reversal of 487881400 is 4188784.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487881403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1219504 + ... + 1219903.

It is an arithmetic number, because the mean of its divisors is an integer number (47263530).

Almost surely, 2^487881400 is an apocalyptic number.

487881400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487881400 is an abundant number, since it is smaller than the sum of its proper divisors (646443320).

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

487881400 is a wasteful number, since it uses less digits than its factorization.

487881400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439423 (or 2439414 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 487881400 is about 22088.0374863862. The cubic root of 487881400 is about 787.2356515941.

The spelling of 487881400 in words is "four hundred eighty-seven million, eight hundred eighty-one thousand, four hundred".