406611589 has 4 divisors (see below), whose sum is σ = 406759456. Its totient is φ = 406463724.

The previous prime is 406611587. The next prime is 406611643. The reversal of 406611589 is 985116604.

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 406611589 - 2¹ = 406611587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406611587) 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, 69729 + ... + 75334.

It is an arithmetic number, because the mean of its divisors is an integer number (101689864).

Almost surely, 2^406611589 is an apocalyptic number.

It is an amenable number.

406611589 is a deficient number, since it is larger than the sum of its proper divisors (147867).

406611589 is a wasteful number, since it uses less digits than its factorization.

406611589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147866.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 406611589 is about 20164.6122948099. The cubic root of 406611589 is about 740.8436865036.

The spelling of 406611589 in words is "four hundred six million, six hundred eleven thousand, five hundred eighty-nine".