1398830471 has 2 divisors, whose sum is σ = 1398830472. Its totient is φ = 1398830470.

The previous prime is 1398830443. The next prime is 1398830513. The reversal of 1398830471 is 1740388931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1398830471 is a prime.

It is a super-3 number, since 3×1398830471³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1398830441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699415235 + 699415236.

It is an arithmetic number, because the mean of its divisors is an integer number (699415236).

Almost surely, 2^1398830471 is an apocalyptic number.

1398830471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1398830471 is an equidigital number, since it uses as much as digits as its factorization.

1398830471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 1398830471 is about 37400.9421138024. The cubic root of 1398830471 is about 1118.3773459747.

The spelling of 1398830471 in words is "one billion, three hundred ninety-eight million, eight hundred thirty thousand, four hundred seventy-one".