40383589 has 2 divisors, whose sum is σ = 40383590. Its totient is φ = 40383588.

The previous prime is 40383559. The next prime is 40383599. The reversal of 40383589 is 98538304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39162564 + 1221025 = 6258^2 + 1105^2 .

It is a cyclic number.

It is not a de Polignac number, because 40383589 - 2⁷ = 40383461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40383559) 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 as a sum of consecutive naturals, namely, 20191794 + 20191795.

It is an arithmetic number, because the mean of its divisors is an integer number (20191795).

Almost surely, 2^40383589 is an apocalyptic number.

It is an amenable number.

40383589 is a deficient number, since it is larger than the sum of its proper divisors (1).

40383589 is an equidigital number, since it uses as much as digits as its factorization.

40383589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 40383589 is about 6354.8083369996. The cubic root of 40383589 is about 343.0849265689.

The spelling of 40383589 in words is "forty million, three hundred eighty-three thousand, five hundred eighty-nine".