1898297349 has 16 divisors (see below), whose sum is σ = 2726570112. Its totient is φ = 1167835968.

The previous prime is 1898297339. The next prime is 1898297351. The reversal of 1898297349 is 9437928981.

It is not a de Polignac number, because 1898297349 - 2⁹ = 1898296837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1898297292 and 1898297301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1898297339) 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 in 15 ways as a sum of consecutive naturals, for example, 203424 + ... + 212550.

It is an arithmetic number, because the mean of its divisors is an integer number (170410632).

Almost surely, 2^1898297349 is an apocalyptic number.

It is an amenable number.

1898297349 is a deficient number, since it is larger than the sum of its proper divisors (828272763).

1898297349 is a wasteful number, since it uses less digits than its factorization.

1898297349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14476.

The product of its digits is 7838208, while the sum is 60.

The square root of 1898297349 is about 43569.4543114784. The cubic root of 1898297349 is about 1238.1922472379.

The spelling of 1898297349 in words is "one billion, eight hundred ninety-eight million, two hundred ninety-seven thousand, three hundred forty-nine".