1489936536 has 96 divisors (see below), whose sum is σ = 4410666000. Its totient is φ = 450616320.

The previous prime is 1489936531. The next prime is 1489936577. The reversal of 1489936536 is 6356399841.

1489936536 is a `hidden beast` number, since 14 + 8 + 9 + 93 + 6 + 536 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489936531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 487140 + ... + 490188.

Almost surely, 2^1489936536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1489936536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2205333000).

1489936536 is an abundant number, since it is smaller than the sum of its proper divisors (2920729464).

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

1489936536 is a wasteful number, since it uses less digits than its factorization.

1489936536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689 (or 3682 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 1489936536 is about 38599.6960609795. The cubic root of 1489936536 is about 1142.1485427707.

The spelling of 1489936536 in words is "one billion, four hundred eighty-nine million, nine hundred thirty-six thousand, five hundred thirty-six".