1488789 has 12 divisors (see below), whose sum is σ = 2201056. Its totient is φ = 969192.

The previous prime is 1488787. The next prime is 1488791. The reversal of 1488789 is 9878841.

It is an interprime number because it is at equal distance from previous prime (1488787) and next prime (1488791).

It is not a de Polignac number, because 1488789 - 2¹ = 1488787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1488787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1537 + ... + 2310.

2^1488789 is an apocalyptic number.

It is an amenable number.

1488789 is a deficient number, since it is larger than the sum of its proper divisors (712267).

1488789 is a wasteful number, since it uses less digits than its factorization.

1488789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3896 (or 3893 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 1488789 is about 1220.1594158142. The cubic root of 1488789 is about 114.1855243209.

The spelling of 1488789 in words is "one million, four hundred eighty-eight thousand, seven hundred eighty-nine".