7428589 has 4 divisors (see below), whose sum is σ = 8489824. Its totient is φ = 6367356.

The previous prime is 7428587. The next prime is 7428593. The reversal of 7428589 is 9858247.

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 7428589 - 2¹ = 7428587 is a prime.

7428589 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7428581) 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, 530607 + ... + 530620.

It is an arithmetic number, because the mean of its divisors is an integer number (2122456).

Almost surely, 2^7428589 is an apocalyptic number.

It is an amenable number.

7428589 is a deficient number, since it is larger than the sum of its proper divisors (1061235).

7428589 is a wasteful number, since it uses less digits than its factorization.

7428589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061234.

The product of its digits is 161280, while the sum is 43.

The square root of 7428589 is about 2725.5437989510. The cubic root of 7428589 is about 195.1201451140.

The spelling of 7428589 in words is "seven million, four hundred twenty-eight thousand, five hundred eighty-nine".