487890000 has 400 divisors, whose sum is σ = 1898142400. Its totient is φ = 119232000.

The previous prime is 487889989. The next prime is 487890031. The reversal of 487890000 is 98784.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3509931 + ... + 3510069.

It is an arithmetic number, because the mean of its divisors is an integer number (4745356).

Almost surely, 2^487890000 is an apocalyptic number.

487890000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487890000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (949071200).

487890000 is an abundant number, since it is smaller than the sum of its proper divisors (1410252400).

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

487890000 is a wasteful number, since it uses less digits than its factorization.

487890000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 487890000 is about 22088.2321610400. The cubic root of 487890000 is about 787.2402771629.

The spelling of 487890000 in words is "four hundred eighty-seven million, eight hundred ninety thousand".