1479789 has 10 divisors (see below), whose sum is σ = 2210670. Its totient is φ = 986472.

The previous prime is 1479781. The next prime is 1479791. The reversal of 1479789 is 9879741.

1479789 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in only one way, i.e., 1368900 + 110889 = 1170^2 + 333^2 .

It is not a de Polignac number, because 1479789 - 2³ = 1479781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1479781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9054 + ... + 9215.

It is an arithmetic number, because the mean of its divisors is an integer number (221067).

2^1479789 is an apocalyptic number.

It is an amenable number.

1479789 is a deficient number, since it is larger than the sum of its proper divisors (730881).

1479789 is an equidigital number, since it uses as much as digits as its factorization.

1479789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18281 (or 18272 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 1479789 is about 1216.4657825027. The cubic root of 1479789 is about 113.9549683638.

The spelling of 1479789 in words is "one million, four hundred seventy-nine thousand, seven hundred eighty-nine".