35997943 has 2 divisors, whose sum is σ = 35997944. Its totient is φ = 35997942.

The previous prime is 35997917. The next prime is 35998021. The reversal of 35997943 is 34979953.

35997943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35997943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (35997043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17998971 + 17998972.

It is an arithmetic number, because the mean of its divisors is an integer number (17998972).

Almost surely, 2^35997943 is an apocalyptic number.

35997943 is a deficient number, since it is larger than the sum of its proper divisors (1).

35997943 is an equidigital number, since it uses as much as digits as its factorization.

35997943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 918540, while the sum is 49.

The square root of 35997943 is about 5999.8285808846. The cubic root of 35997943 is about 330.1864358212.

The spelling of 35997943 in words is "thirty-five million, nine hundred ninety-seven thousand, nine hundred forty-three".