1489752028 has 24 divisors (see below), whose sum is σ = 2674537712. Its totient is φ = 725687424.

The previous prime is 1489752001. The next prime is 1489752083. The reversal of 1489752028 is 8202579841.

It is a super-2 number, since 2×1489752028² = 4438722209860225568, 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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57376 + ... + 79192.

Almost surely, 2^1489752028 is an apocalyptic number.

It is an amenable number.

1489752028 is a deficient number, since it is larger than the sum of its proper divisors (1184785684).

1489752028 is a wasteful number, since it uses less digits than its factorization.

1489752028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22261 (or 22259 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 1489752028 is about 38597.3059681631. The cubic root of 1489752028 is about 1142.1013943995.

The spelling of 1489752028 in words is "one billion, four hundred eighty-nine million, seven hundred fifty-two thousand, twenty-eight".