1463489 has 6 divisors (see below), whose sum is σ = 1494486. Its totient is φ = 1433120.

The previous prime is 1463471. The next prime is 1463491. The reversal of 1463489 is 9843641.

It can be written as a sum of positive squares in 3 ways, for example, as 350464 + 1113025 = 592^2 + 1055^2 .

It is not a de Polignac number, because 1463489 - 2⁸ = 1463233 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1463459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2549 + ... + 3069.

It is an arithmetic number, because the mean of its divisors is an integer number (249081).

2^1463489 is an apocalyptic number.

It is an amenable number.

1463489 is a deficient number, since it is larger than the sum of its proper divisors (30997).

1463489 is an frugal number, since it uses more digits than its factorization.

1463489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 574 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 1463489 is about 1209.7474943144. The cubic root of 1463489 is about 113.5350147811.

The spelling of 1463489 in words is "one million, four hundred sixty-three thousand, four hundred eighty-nine".