83946091 has 2 divisors, whose sum is σ = 83946092. Its totient is φ = 83946090.

The previous prime is 83946077. The next prime is 83946151. The reversal of 83946091 is 19064938.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83946091 - 2¹³ = 83937899 is a prime.

It is not a weakly prime, because it can be changed into another prime (83946041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41973045 + 41973046.

It is an arithmetic number, because the mean of its divisors is an integer number (41973046).

Almost surely, 2^83946091 is an apocalyptic number.

83946091 is a deficient number, since it is larger than the sum of its proper divisors (1).

83946091 is an equidigital number, since it uses as much as digits as its factorization.

83946091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 83946091 is about 9162.2099408385. The cubic root of 83946091 is about 437.8582052499.

The spelling of 83946091 in words is "eighty-three million, nine hundred forty-six thousand, ninety-one".