8040029 has 2 divisors, whose sum is σ = 8040030. Its totient is φ = 8040028.

The previous prime is 8040017. The next prime is 8040037. The reversal of 8040029 is 9200408.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5784025 + 2256004 = 2405^2 + 1502^2 .

It is a cyclic number.

It is not a de Polignac number, because 8040029 - 2⁴ = 8040013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8039986 and 8040013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8040049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020014 + 4020015.

It is an arithmetic number, because the mean of its divisors is an integer number (4020015).

Almost surely, 2^8040029 is an apocalyptic number.

It is an amenable number.

8040029 is a deficient number, since it is larger than the sum of its proper divisors (1).

8040029 is an equidigital number, since it uses as much as digits as its factorization.

8040029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 8040029 is about 2835.4944895027. The cubic root of 8040029 is about 200.3330201800. Note that the first 3 decimals are identical.

The spelling of 8040029 in words is "eight million, forty thousand, twenty-nine".