8404029 has 6 divisors (see below), whose sum is σ = 12139166. Its totient is φ = 5602680.

The previous prime is 8404021. The next prime is 8404111. The reversal of 8404029 is 9204048.

8404029 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8398404 + 5625 = 2898^2 + 75^2 .

It is not a de Polignac number, because 8404029 - 2³ = 8404021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8403993 and 8404011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8404021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 466882 + ... + 466899.

Almost surely, 2^8404029 is an apocalyptic number.

It is an amenable number.

8404029 is a deficient number, since it is larger than the sum of its proper divisors (3735137).

8404029 is a wasteful number, since it uses less digits than its factorization.

8404029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 933787 (or 933784 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 8404029 is about 2898.9703344464. The cubic root of 8404029 is about 203.3117666517.

The spelling of 8404029 in words is "eight million, four hundred four thousand, twenty-nine".