36388397 has 2 divisors, whose sum is σ = 36388398. Its totient is φ = 36388396.

The previous prime is 36388367. The next prime is 36388409. The reversal of 36388397 is 79388363.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34445161 + 1943236 = 5869^2 + 1394^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36388397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36388337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18194198 + 18194199.

It is an arithmetic number, because the mean of its divisors is an integer number (18194199).

Almost surely, 2^36388397 is an apocalyptic number.

It is an amenable number.

36388397 is a deficient number, since it is larger than the sum of its proper divisors (1).

36388397 is an equidigital number, since it uses as much as digits as its factorization.

36388397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 36388397 is about 6032.2795856956. The cubic root of 36388397 is about 331.3759415733.

The spelling of 36388397 in words is "thirty-six million, three hundred eighty-eight thousand, three hundred ninety-seven".