1489279 has 4 divisors (see below), whose sum is σ = 1624680. Its totient is φ = 1353880.

The previous prime is 1489261. The next prime is 1489283. The reversal of 1489279 is 9729841.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1489279 - 2¹¹ = 1487231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1489249) 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, 67684 + ... + 67705.

It is an arithmetic number, because the mean of its divisors is an integer number (406170).

2^1489279 is an apocalyptic number.

1489279 is a deficient number, since it is larger than the sum of its proper divisors (135401).

1489279 is a wasteful number, since it uses less digits than its factorization.

1489279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135400.

The product of its digits is 36288, while the sum is 40.

The square root of 1489279 is about 1220.3601927300. The cubic root of 1489279 is about 114.1980501097.

The spelling of 1489279 in words is "one million, four hundred eighty-nine thousand, two hundred seventy-nine".