18462349 has 2 divisors, whose sum is σ = 18462350. Its totient is φ = 18462348.

The previous prime is 18462331. The next prime is 18462361. The reversal of 18462349 is 94326481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18361225 + 101124 = 4285^2 + 318^2 .

It is an emirp because it is prime and its reverse (94326481) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18462349 - 2⁹ = 18461837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18462049) 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 as a sum of consecutive naturals, namely, 9231174 + 9231175.

It is an arithmetic number, because the mean of its divisors is an integer number (9231175).

Almost surely, 2^18462349 is an apocalyptic number.

It is an amenable number.

18462349 is a deficient number, since it is larger than the sum of its proper divisors (1).

18462349 is an equidigital number, since it uses as much as digits as its factorization.

18462349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 37.

The square root of 18462349 is about 4296.7835644817. The cubic root of 18462349 is about 264.2990804329.

The spelling of 18462349 in words is "eighteen million, four hundred sixty-two thousand, three hundred forty-nine".