36440693 has 2 divisors, whose sum is σ = 36440694. Its totient is φ = 36440692.

The previous prime is 36440687. The next prime is 36440711. The reversal of 36440693 is 39604463.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20584369 + 15856324 = 4537^2 + 3982^2 .

It is a cyclic number.

It is not a de Polignac number, because 36440693 - 2⁶ = 36440629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36440633) 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, 18220346 + 18220347.

It is an arithmetic number, because the mean of its divisors is an integer number (18220347).

Almost surely, 2^36440693 is an apocalyptic number.

It is an amenable number.

36440693 is a deficient number, since it is larger than the sum of its proper divisors (1).

36440693 is an equidigital number, since it uses as much as digits as its factorization.

36440693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 36440693 is about 6036.6127091275. The cubic root of 36440693 is about 331.5346124909.

The spelling of 36440693 in words is "thirty-six million, four hundred forty thousand, six hundred ninety-three".