1406463589 has 4 divisors (see below), whose sum is σ = 1407826156. Its totient is φ = 1405101024.

The previous prime is 1406463587. The next prime is 1406463599. The reversal of 1406463589 is 9853646041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 999634689 + 406828900 = 31617^2 + 20170^2 .

It is a cyclic number.

It is not a de Polignac number, because 1406463589 - 2¹ = 1406463587 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 (1406463587) 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, 679734 + ... + 681799.

It is an arithmetic number, because the mean of its divisors is an integer number (351956539).

Almost surely, 2^1406463589 is an apocalyptic number.

It is an amenable number.

1406463589 is a deficient number, since it is larger than the sum of its proper divisors (1362567).

1406463589 is a wasteful number, since it uses less digits than its factorization.

1406463589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362566.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 1406463589 is about 37502.8477452046. The cubic root of 1406463589 is about 1120.4079054720.

The spelling of 1406463589 in words is "one billion, four hundred six million, four hundred sixty-three thousand, five hundred eighty-nine".