18246029 has 2 divisors, whose sum is σ = 18246030. Its totient is φ = 18246028.

The previous prime is 18245999. The next prime is 18246031. The reversal of 18246029 is 92064281.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15389929 + 2856100 = 3923^2 + 1690^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18246029 is a prime.

Together with 18246031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 18245986 and 18246004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18246079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9123014 + 9123015.

It is an arithmetic number, because the mean of its divisors is an integer number (9123015).

Almost surely, 2^18246029 is an apocalyptic number.

It is an amenable number.

18246029 is a deficient number, since it is larger than the sum of its proper divisors (1).

18246029 is an equidigital number, since it uses as much as digits as its factorization.

18246029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 18246029 is about 4271.5370769783. The cubic root of 18246029 is about 263.2627742734.

The spelling of 18246029 in words is "eighteen million, two hundred forty-six thousand, twenty-nine".