90694211 has 2 divisors, whose sum is σ = 90694212. Its totient is φ = 90694210.

The previous prime is 90694207. The next prime is 90694217. The reversal of 90694211 is 11249609.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 90694211 - 2² = 90694207 is a prime.

It is not a weakly prime, because it can be changed into another prime (90694217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45347105 + 45347106.

It is an arithmetic number, because the mean of its divisors is an integer number (45347106).

Almost surely, 2^90694211 is an apocalyptic number.

90694211 is a deficient number, since it is larger than the sum of its proper divisors (1).

90694211 is an equidigital number, since it uses as much as digits as its factorization.

90694211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The square root of 90694211 is about 9523.3508283587. The cubic root of 90694211 is about 449.2897619207.

The spelling of 90694211 in words is "ninety million, six hundred ninety-four thousand, two hundred eleven".