404027629 has 2 divisors, whose sum is σ = 404027630. Its totient is φ = 404027628.

The previous prime is 404027597. The next prime is 404027633. The reversal of 404027629 is 926720404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 395015625 + 9012004 = 19875^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 404027629 - 2⁵ = 404027597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 404027594 and 404027603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404027669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202013814 + 202013815.

It is an arithmetic number, because the mean of its divisors is an integer number (202013815).

Almost surely, 2^404027629 is an apocalyptic number.

It is an amenable number.

404027629 is a deficient number, since it is larger than the sum of its proper divisors (1).

404027629 is an equidigital number, since it uses as much as digits as its factorization.

404027629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 404027629 is about 20100.4385275546. The cubic root of 404027629 is about 739.2710309768.

The spelling of 404027629 in words is "four hundred four million, twenty-seven thousand, six hundred twenty-nine".