36440387 has 2 divisors, whose sum is σ = 36440388. Its totient is φ = 36440386.

The previous prime is 36440381. The next prime is 36440413. The reversal of 36440387 is 78304463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36440387 - 2¹² = 36436291 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (36440381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18220193 + 18220194.

It is an arithmetic number, because the mean of its divisors is an integer number (18220194).

Almost surely, 2^36440387 is an apocalyptic number.

36440387 is a deficient number, since it is larger than the sum of its proper divisors (1).

36440387 is an equidigital number, since it uses as much as digits as its factorization.

36440387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 36440387 is about 6036.5873637346. The cubic root of 36440387 is about 331.5336845002.

The spelling of 36440387 in words is "thirty-six million, four hundred forty thousand, three hundred eighty-seven".