1471889 has 4 divisors (see below), whose sum is σ = 1474356. Its totient is φ = 1469424.

The previous prime is 1471879. The next prime is 1471891. The reversal of 1471889 is 9881741.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 652864 + 819025 = 808^2 + 905^2 .

It is a cyclic number.

It is not a de Polignac number, because 1471889 - 2⁸ = 1471633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1471819) 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 3 ways as a sum of consecutive naturals, for example, 287 + ... + 1739.

It is an arithmetic number, because the mean of its divisors is an integer number (368589).

2^1471889 is an apocalyptic number.

It is an amenable number.

1471889 is a deficient number, since it is larger than the sum of its proper divisors (2467).

1471889 is a wasteful number, since it uses less digits than its factorization.

1471889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466.

The product of its digits is 16128, while the sum is 38.

The square root of 1471889 is about 1213.2143256655. The cubic root of 1471889 is about 113.7518197994.

The spelling of 1471889 in words is "one million, four hundred seventy-one thousand, eight hundred eighty-nine".