1489349538 has 32 divisors (see below), whose sum is σ = 3322281600. Its totient is φ = 494557488.

The previous prime is 1489349531. The next prime is 1489349569. The reversal of 1489349538 is 8359439841.

1489349538 is a `hidden beast` number, since 14 + 8 + 93 + 4 + 9 + 538 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (1489349531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38233 + ... + 66636.

It is an arithmetic number, because the mean of its divisors is an integer number (103821300).

Almost surely, 2^1489349538 is an apocalyptic number.

1489349538 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1489349538 is an abundant number, since it is smaller than the sum of its proper divisors (1832932062).

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

1489349538 is a wasteful number, since it uses less digits than its factorization.

1489349538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105143 (or 105137 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 1489349538 is about 38592.0916510106. The cubic root of 1489349538 is about 1141.9985303465.

The spelling of 1489349538 in words is "one billion, four hundred eighty-nine million, three hundred forty-nine thousand, five hundred thirty-eight".