487491400 has 48 divisors (see below), whose sum is σ = 1236461040. Its totient is φ = 177268800.

The previous prime is 487491283. The next prime is 487491419. The reversal of 487491400 is 4194784.

It is a self number, because there is not a number n which added to its sum of digits gives 487491400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108594 + ... + 112993.

It is an arithmetic number, because the mean of its divisors is an integer number (25759605).

Almost surely, 2^487491400 is an apocalyptic number.

487491400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

487491400 is an abundant number, since it is smaller than the sum of its proper divisors (748969640).

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

487491400 is a wasteful number, since it uses less digits than its factorization.

487491400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221614 (or 221605 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 487491400 is about 22079.2074133108. The cubic root of 487491400 is about 787.0258302803.

The spelling of 487491400 in words is "four hundred eighty-seven million, four hundred ninety-one thousand, four hundred".