1489662428 has 6 divisors (see below), whose sum is σ = 2606909256. Its totient is φ = 744831212.

The previous prime is 1489662353. The next prime is 1489662443. The reversal of 1489662428 is 8242669841.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 186207800 + ... + 186207807.

It is an arithmetic number, because the mean of its divisors is an integer number (434484876).

Almost surely, 2^1489662428 is an apocalyptic number.

It is an amenable number.

1489662428 is a deficient number, since it is larger than the sum of its proper divisors (1117246828).

1489662428 is a wasteful number, since it uses less digits than its factorization.

1489662428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372415611 (or 372415609 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The square root of 1489662428 is about 38596.1452479389. The cubic root of 1489662428 is about 1142.0784970012.

The spelling of 1489662428 in words is "one billion, four hundred eighty-nine million, six hundred sixty-two thousand, four hundred twenty-eight".