36982391 has 2 divisors, whose sum is σ = 36982392. Its totient is φ = 36982390.

The previous prime is 36982357. The next prime is 36982397. The reversal of 36982391 is 19328963.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36982391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36982397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18491195 + 18491196.

It is an arithmetic number, because the mean of its divisors is an integer number (18491196).

Almost surely, 2^36982391 is an apocalyptic number.

36982391 is a deficient number, since it is larger than the sum of its proper divisors (1).

36982391 is an equidigital number, since it uses as much as digits as its factorization.

36982391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 36982391 is about 6081.3149071562. The cubic root of 36982391 is about 333.1693145290.

It can be divided in two parts, 36982 and 391, that added together give a palindrome (37373).

The spelling of 36982391 in words is "thirty-six million, nine hundred eighty-two thousand, three hundred ninety-one".