404622029 has 4 divisors (see below), whose sum is σ = 462425184. Its totient is φ = 346818876.

The previous prime is 404622019. The next prime is 404622073. The reversal of 404622029 is 920226404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 404622029 - 2²⁰ = 403573453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404621992 and 404622010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404622019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28901567 + ... + 28901580.

It is an arithmetic number, because the mean of its divisors is an integer number (115606296).

Almost surely, 2^404622029 is an apocalyptic number.

It is an amenable number.

404622029 is a deficient number, since it is larger than the sum of its proper divisors (57803155).

404622029 is an equidigital number, since it uses as much as digits as its factorization.

404622029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57803154.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 404622029 is about 20115.2188404700. The cubic root of 404622029 is about 739.6333885272.

The spelling of 404622029 in words is "four hundred four million, six hundred twenty-two thousand, twenty-nine".