406247029 has 2 divisors, whose sum is σ = 406247030. Its totient is φ = 406247028.

The previous prime is 406247003. The next prime is 406247041. The reversal of 406247029 is 920742604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390062500 + 16184529 = 19750^2 + 4023^2 .

It is a cyclic number.

It is not a de Polignac number, because 406247029 - 2⁹ = 406246517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406246985 and 406247003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406247089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203123514 + 203123515.

It is an arithmetic number, because the mean of its divisors is an integer number (203123515).

Almost surely, 2^406247029 is an apocalyptic number.

It is an amenable number.

406247029 is a deficient number, since it is larger than the sum of its proper divisors (1).

406247029 is an equidigital number, since it uses as much as digits as its factorization.

406247029 is an evil number, because the sum of its binary digits is even.

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

The square root of 406247029 is about 20155.5706691723. The cubic root of 406247029 is about 740.6222116460.

The spelling of 406247029 in words is "four hundred six million, two hundred forty-seven thousand, twenty-nine".