1489358428 has 12 divisors (see below), whose sum is σ = 2612427552. Its totient is φ = 742950560.

The previous prime is 1489358369. The next prime is 1489358441. The reversal of 1489358428 is 8248539841.

It is a super-3 number, since 3×1489358428³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430225 + ... + 433672.

It is an arithmetic number, because the mean of its divisors is an integer number (217702296).

Almost surely, 2^1489358428 is an apocalyptic number.

It is an amenable number.

1489358428 is a deficient number, since it is larger than the sum of its proper divisors (1123069124).

1489358428 is a wasteful number, since it uses less digits than its factorization.

1489358428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864332 (or 864330 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 52.

The square root of 1489358428 is about 38592.2068298769. The cubic root of 1489358428 is about 1142.0008025570. Note that the first 3 decimals are identical.

The spelling of 1489358428 in words is "one billion, four hundred eighty-nine million, three hundred fifty-eight thousand, four hundred twenty-eight".