404105029 has 2 divisors, whose sum is σ = 404105030. Its totient is φ = 404105028.

The previous prime is 404104999. The next prime is 404105041. The reversal of 404105029 is 920501404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 247905025 + 156200004 = 15745^2 + 12498^2 .

It is a cyclic number.

It is not a de Polignac number, because 404105029 - 2⁹ = 404104517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404104994 and 404105012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404105059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202052514 + 202052515.

It is an arithmetic number, because the mean of its divisors is an integer number (202052515).

Almost surely, 2^404105029 is an apocalyptic number.

It is an amenable number.

404105029 is a deficient number, since it is larger than the sum of its proper divisors (1).

404105029 is an equidigital number, since it uses as much as digits as its factorization.

404105029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 404105029 is about 20102.3637664828. The cubic root of 404105029 is about 739.3182356068.

The spelling of 404105029 in words is "four hundred four million, one hundred five thousand, twenty-nine".