404101189 has 2 divisors, whose sum is σ = 404101190. Its totient is φ = 404101188.

The previous prime is 404101157. The next prime is 404101211. The reversal of 404101189 is 981101404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 251381025 + 152720164 = 15855^2 + 12358^2 .

It is a cyclic number.

It is not a de Polignac number, because 404101189 - 2⁵ = 404101157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404101129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202050594 + 202050595.

It is an arithmetic number, because the mean of its divisors is an integer number (202050595).

Almost surely, 2^404101189 is an apocalyptic number.

It is an amenable number.

404101189 is a deficient number, since it is larger than the sum of its proper divisors (1).

404101189 is an equidigital number, since it uses as much as digits as its factorization.

404101189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 404101189 is about 20102.2682551000. The cubic root of 404101189 is about 739.3158938138.

The spelling of 404101189 in words is "four hundred four million, one hundred one thousand, one hundred eighty-nine".