1489497648 has 20 divisors (see below), whose sum is σ = 3847869048. Its totient is φ = 496499200.

The previous prime is 1489497643. The next prime is 1489497671. The reversal of 1489497648 is 8467949841.

It is a junction number, because it is equal to n+sod(n) for n = 1489497591 and 1489497600.

It is not an unprimeable number, because it can be changed into a prime (1489497643) 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, 15515553 + ... + 15515648.

Almost surely, 2^1489497648 is an apocalyptic number.

It is an amenable number.

1489497648 is an abundant number, since it is smaller than the sum of its proper divisors (2358371400).

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

1489497648 is a wasteful number, since it uses less digits than its factorization.

1489497648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31031212 (or 31031206 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 60.

The square root of 1489497648 is about 38594.0105197685. The cubic root of 1489497648 is about 1142.0363848576.

The spelling of 1489497648 in words is "one billion, four hundred eighty-nine million, four hundred ninety-seven thousand, six hundred forty-eight".