1489456 has 20 divisors (see below), whose sum is σ = 2912512. Its totient is φ = 737856.

The previous prime is 1489451. The next prime is 1489463. The reversal of 1489456 is 6549841.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1666 + ... + 2398.

2^1489456 is an apocalyptic number.

1489456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1489456 is a deficient number, since it is larger than the sum of its proper divisors (1423056).

1489456 is a wasteful number, since it uses less digits than its factorization.

1489456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868 (or 862 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 1489456 is about 1220.4327101483. The cubic root of 1489456 is about 114.2025740559.

It can be divided in two parts, 148 and 9456, that added together give a square (9604 = 98²).

The spelling of 1489456 in words is "one million, four hundred eighty-nine thousand, four hundred fifty-six".