16240589 has 4 divisors (see below), whose sum is σ = 16322400. Its totient is φ = 16158780.

The previous prime is 16240577. The next prime is 16240591. The reversal of 16240589 is 98504261.

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 16240589 - 2¹⁶ = 16175053 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16240519) 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, 40607 + ... + 41004.

It is an arithmetic number, because the mean of its divisors is an integer number (4080600).

Almost surely, 2^16240589 is an apocalyptic number.

It is an amenable number.

16240589 is a deficient number, since it is larger than the sum of its proper divisors (81811).

16240589 is an equidigital number, since it uses as much as digits as its factorization.

16240589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81810.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 16240589 is about 4029.9614142073. The cubic root of 16240589 is about 253.2409448812.

The spelling of 16240589 in words is "sixteen million, two hundred forty thousand, five hundred eighty-nine".