1479889 has 12 divisors (see below), whose sum is σ = 1620864. Its totient is φ = 1347984.

The previous prime is 1479887. The next prime is 1479911. The reversal of 1479889 is 9889741.

It is a happy number.

It is not a de Polignac number, because 1479889 - 2¹ = 1479887 is a prime.

It is a Duffinian number.

Its product of digits (145152) is a multiple of the sum of its prime factors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1479883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31464 + ... + 31510.

It is an arithmetic number, because the mean of its divisors is an integer number (135072).

2^1479889 is an apocalyptic number.

It is an amenable number.

1479889 is a deficient number, since it is larger than the sum of its proper divisors (140975).

1479889 is an equidigital number, since it uses as much as digits as its factorization.

1479889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 107 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The square root of 1479889 is about 1216.5068844852. The cubic root of 1479889 is about 113.9575352253.

The spelling of 1479889 in words is "one million, four hundred seventy-nine thousand, eight hundred eighty-nine".