5662989 has 12 divisors (see below), whose sum is σ = 8661276. Its totient is φ = 3553152.

The previous prime is 5662973. The next prime is 5663011. The reversal of 5662989 is 9892665.

5662989 is a `hidden beast` number, since 566 + 2 + 9 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3674889 + 1988100 = 1917^2 + 1410^2 .

It is not a de Polignac number, because 5662989 - 2⁴ = 5662973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5662919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18354 + ... + 18659.

It is an arithmetic number, because the mean of its divisors is an integer number (721773).

Almost surely, 2^5662989 is an apocalyptic number.

It is an amenable number.

5662989 is a deficient number, since it is larger than the sum of its proper divisors (2998287).

5662989 is a wasteful number, since it uses less digits than its factorization.

5662989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37036 (or 37033 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 5662989 is about 2379.7035529662. The cubic root of 5662989 is about 178.2441312021.

The spelling of 5662989 in words is "five million, six hundred sixty-two thousand, nine hundred eighty-nine".