489740895 has 24 divisors (see below), whose sum is σ = 970154016. Its totient is φ = 223881408.

The previous prime is 489740891. The next prime is 489740921. The reversal of 489740895 is 598047984.

489740895 is a `hidden beast` number, since 489 + 74 + 0 + 8 + 95 = 666.

It is not a de Polignac number, because 489740895 - 2² = 489740891 is a prime.

It is a super-2 number, since 2×489740895² = 479692288470802050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489740891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 777052 + ... + 777681.

It is an arithmetic number, because the mean of its divisors is an integer number (40423084).

Almost surely, 2^489740895 is an apocalyptic number.

489740895 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

489740895 is a deficient number, since it is larger than the sum of its proper divisors (480413121).

489740895 is a wasteful number, since it uses less digits than its factorization.

489740895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554751 (or 1554748 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 489740895 is about 22130.0902619036. The cubic root of 489740895 is about 788.2345315923.

The spelling of 489740895 in words is "four hundred eighty-nine million, seven hundred forty thousand, eight hundred ninety-five".