1489399320 has 32 divisors (see below), whose sum is σ = 4468198320. Its totient is φ = 397173120.

The previous prime is 1489399319. The next prime is 1489399321. The reversal of 1489399320 is 239939841.

It is an interprime number because it is at equal distance from previous prime (1489399319) and next prime (1489399321).

It is a self number, because there is not a number n which added to its sum of digits gives 1489399320.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489399321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6205711 + ... + 6205950.

Almost surely, 2^1489399320 is an apocalyptic number.

1489399320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1489399320 is an abundant number, since it is smaller than the sum of its proper divisors (2978799000).

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

1489399320 is a wasteful number, since it uses less digits than its factorization.

1489399320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12411675 (or 12411671 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 1489399320 is about 38592.7366223231. The cubic root of 1489399320 is about 1142.0112540974.

The spelling of 1489399320 in words is "one billion, four hundred eighty-nine million, three hundred ninety-nine thousand, three hundred twenty".