1489845 has 24 divisors (see below), whose sum is σ = 2774304. Its totient is φ = 680736.

The previous prime is 1489841. The next prime is 1489867. The reversal of 1489845 is 5489841.

It is not a de Polignac number, because 1489845 - 2² = 1489841 is a prime.

1489845 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279 + ... + 1748.

It is an arithmetic number, because the mean of its divisors is an integer number (115596).

2^1489845 is an apocalyptic number.

1489845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1489845 is a deficient number, since it is larger than the sum of its proper divisors (1284459).

1489845 is a wasteful number, since it uses less digits than its factorization.

1489845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049 (or 2042 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 1489845 is about 1220.5920694483. The cubic root of 1489845 is about 114.2125152546.

The spelling of 1489845 in words is "one million, four hundred eighty-nine thousand, eight hundred forty-five".