489540371 has 4 divisors (see below), whose sum is σ = 489645744. Its totient is φ = 489435000.

The previous prime is 489540367. The next prime is 489540397. The reversal of 489540371 is 173045984.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 489540371 - 2² = 489540367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (489540361) 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, 45380 + ... + 55121.

It is an arithmetic number, because the mean of its divisors is an integer number (122411436).

Almost surely, 2^489540371 is an apocalyptic number.

489540371 is a deficient number, since it is larger than the sum of its proper divisors (105373).

489540371 is a wasteful number, since it uses less digits than its factorization.

489540371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105372.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 489540371 is about 22125.5592245710. The cubic root of 489540371 is about 788.1269362494.

The spelling of 489540371 in words is "four hundred eighty-nine million, five hundred forty thousand, three hundred seventy-one".