36394559 has 2 divisors, whose sum is σ = 36394560. Its totient is φ = 36394558.

The previous prime is 36394549. The next prime is 36394571. The reversal of 36394559 is 95549363.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36394559 - 2¹² = 36390463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36394549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18197279 + 18197280.

It is an arithmetic number, because the mean of its divisors is an integer number (18197280).

Almost surely, 2^36394559 is an apocalyptic number.

36394559 is a deficient number, since it is larger than the sum of its proper divisors (1).

36394559 is an equidigital number, since it uses as much as digits as its factorization.

36394559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 437400, while the sum is 44.

The square root of 36394559 is about 6032.7903162633. The cubic root of 36394559 is about 331.3946455510.

The spelling of 36394559 in words is "thirty-six million, three hundred ninety-four thousand, five hundred fifty-nine".