1489370868 has 24 divisors (see below), whose sum is σ = 3861332160. Its totient is φ = 496456920.

The previous prime is 1489370863. The next prime is 1489370899. The reversal of 1489370868 is 8680739841.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489370863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6895128 + ... + 6895343.

It is an arithmetic number, because the mean of its divisors is an integer number (160888840).

Almost surely, 2^1489370868 is an apocalyptic number.

1489370868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1489370868 is an abundant number, since it is smaller than the sum of its proper divisors (2371961292).

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

1489370868 is a wasteful number, since it uses less digits than its factorization.

1489370868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13790484 (or 13790476 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 1489370868 is about 38592.3680019768. The cubic root of 1489370868 is about 1142.0039821029.

The spelling of 1489370868 in words is "one billion, four hundred eighty-nine million, three hundred seventy thousand, eight hundred sixty-eight".