36328639 has 2 divisors, whose sum is σ = 36328640. Its totient is φ = 36328638.

The previous prime is 36328597. The next prime is 36328651. The reversal of 36328639 is 93682363.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36328639 - 2²⁵ = 2774207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36322639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18164319 + 18164320.

It is an arithmetic number, because the mean of its divisors is an integer number (18164320).

Almost surely, 2^36328639 is an apocalyptic number.

36328639 is a deficient number, since it is larger than the sum of its proper divisors (1).

36328639 is an equidigital number, since it uses as much as digits as its factorization.

36328639 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 40.

The square root of 36328639 is about 6027.3243649235. The cubic root of 36328639 is about 331.1944440352.

The spelling of 36328639 in words is "thirty-six million, three hundred twenty-eight thousand, six hundred thirty-nine".