1473989 has 4 divisors (see below), whose sum is σ = 1608000. Its totient is φ = 1339980.

The previous prime is 1473977. The next prime is 1474003. The reversal of 1473989 is 9893741.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1473989 - 2⁴ = 1473973 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1473919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66989 + ... + 67010.

It is an arithmetic number, because the mean of its divisors is an integer number (402000).

2^1473989 is an apocalyptic number.

It is an amenable number.

1473989 is a deficient number, since it is larger than the sum of its proper divisors (134011).

1473989 is a wasteful number, since it uses less digits than its factorization.

1473989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134010.

The product of its digits is 54432, while the sum is 41.

The square root of 1473989 is about 1214.0794866894. The cubic root of 1473989 is about 113.8058921073.

The spelling of 1473989 in words is "one million, four hundred seventy-three thousand, nine hundred eighty-nine".