1489496836 has 27 divisors (see below), whose sum is σ = 2728129831. Its totient is φ = 711518984.

The previous prime is 1489496821. The next prime is 1489496839. The reversal of 1489496836 is 6386949841.

It is a happy number.

The square root of 1489496836 is 38594.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

Its product of digits (8957952) is a multiple of the sum of its prime divisors (864).

It is not an unprimeable number, because it can be changed into a prime (1489496839) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1774905 + ... + 1775743.

Almost surely, 2^1489496836 is an apocalyptic number.

1489496836 is the 38594-th square number.

It is an amenable number.

1489496836 is a deficient number, since it is larger than the sum of its proper divisors (1238632995).

1489496836 is an frugal number, since it uses more digits than its factorization.

1489496836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728 (or 864 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 58.

The cubic root of 1489496836 is about 1142.0361773305.

The spelling of 1489496836 in words is "one billion, four hundred eighty-nine million, four hundred ninety-six thousand, eight hundred thirty-six".