489253788 has 18 divisors (see below), whose sum is σ = 1236724944. Its totient is φ = 163084584.

The previous prime is 489253777. The next prime is 489253799. The reversal of 489253788 is 887352984.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (489253777) and next prime (489253799).

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6795156 + ... + 6795227.

Almost surely, 2^489253788 is an apocalyptic number.

It is an amenable number.

489253788 is an abundant number, since it is smaller than the sum of its proper divisors (747471156).

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

489253788 is a wasteful number, since it uses less digits than its factorization.

489253788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13590393 (or 13590388 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The square root of 489253788 is about 22119.0819881839. The cubic root of 489253788 is about 787.9731131369.

The spelling of 489253788 in words is "four hundred eighty-nine million, two hundred fifty-three thousand, seven hundred eighty-eight".