1489755928 has 16 divisors (see below), whose sum is σ = 2795310000. Its totient is φ = 744339936.

The previous prime is 1489755899. The next prime is 1489755937. The reversal of 1489755928 is 8295579841.

It is a super-2 number, since 2×1489755928² = 4438745450022282368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55363 + ... + 77746.

It is an arithmetic number, because the mean of its divisors is an integer number (174706875).

Almost surely, 2^1489755928 is an apocalyptic number.

It is an amenable number.

1489755928 is a deficient number, since it is larger than the sum of its proper divisors (1305554072).

1489755928 is a wasteful number, since it uses less digits than its factorization.

1489755928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134514 (or 134510 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 58.

The square root of 1489755928 is about 38597.3564897909. The cubic root of 1489755928 is about 1142.1023910288.

The spelling of 1489755928 in words is "one billion, four hundred eighty-nine million, seven hundred fifty-five thousand, nine hundred twenty-eight".