1330489 has 8 divisors (see below), whose sum is σ = 1387008. Its totient is φ = 1274880.

The previous prime is 1330487. The next prime is 1330493. The reversal of 1330489 is 9840331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1330489 - 2¹ = 1330487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5049 + ... + 5305.

It is an arithmetic number, because the mean of its divisors is an integer number (173376).

2^1330489 is an apocalyptic number.

It is an amenable number.

1330489 is a deficient number, since it is larger than the sum of its proper divisors (56519).

1330489 is a wasteful number, since it uses less digits than its factorization.

1330489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 1330489 is about 1153.4682483710. The cubic root of 1330489 is about 109.9859210631.

It can be divided in two parts, 1330 and 489, that multiplied together give a triangular number (650370 = T₁₁₄₀).

The spelling of 1330489 in words is "one million, three hundred thirty thousand, four hundred eighty-nine".