1489975 has 12 divisors (see below), whose sum is σ = 1868184. Its totient is φ = 1178720.

The previous prime is 1489973. The next prime is 1489979. The reversal of 1489975 is 5799841.

It is not a de Polignac number, because 1489975 - 2¹ = 1489973 is a prime.

It is a Duffinian number.

1489975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489973) 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, 2397 + ... + 2953.

It is an arithmetic number, because the mean of its divisors is an integer number (155682).

2^1489975 is an apocalyptic number.

1489975 is a deficient number, since it is larger than the sum of its proper divisors (378209).

1489975 is a wasteful number, since it uses less digits than its factorization.

1489975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 669 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The square root of 1489975 is about 1220.6453211314. The cubic root of 1489975 is about 114.2158371204.

The spelling of 1489975 in words is "one million, four hundred eighty-nine thousand, nine hundred seventy-five".