84933661 has 2 divisors, whose sum is σ = 84933662. Its totient is φ = 84933660.

The previous prime is 84933647. The next prime is 84933691. The reversal of 84933661 is 16633948.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84824100 + 109561 = 9210^2 + 331^2 .

It is a cyclic number.

It is not a de Polignac number, because 84933661 - 2¹³ = 84925469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84933691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42466830 + 42466831.

It is an arithmetic number, because the mean of its divisors is an integer number (42466831).

Almost surely, 2^84933661 is an apocalyptic number.

It is an amenable number.

84933661 is a deficient number, since it is larger than the sum of its proper divisors (1).

84933661 is an equidigital number, since it uses as much as digits as its factorization.

84933661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 40.

The square root of 84933661 is about 9215.9460176370. The cubic root of 84933661 is about 439.5685526283.

The spelling of 84933661 in words is "eighty-four million, nine hundred thirty-three thousand, six hundred sixty-one".