487189450 has 96 divisors (see below), whose sum is σ = 1086359040. Its totient is φ = 160459200.

The previous prime is 487189403. The next prime is 487189457. The reversal of 487189450 is 54981784.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 487189450.

It is not an unprimeable number, because it can be changed into a prime (487189457) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 239337 + ... + 241363.

It is an arithmetic number, because the mean of its divisors is an integer number (11316240).

Almost surely, 2^487189450 is an apocalyptic number.

487189450 is an abundant number, since it is smaller than the sum of its proper divisors (599169590).

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

487189450 is a wasteful number, since it uses less digits than its factorization.

487189450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2092 (or 2087 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 487189450 is about 22072.3684728214. The cubic root of 487189450 is about 786.8633032893.

The spelling of 487189450 in words is "four hundred eighty-seven million, one hundred eighty-nine thousand, four hundred fifty".