1998462711 has 16 divisors (see below), whose sum is σ = 3116098304. Its totient is φ = 1115420544.

The previous prime is 1998462707. The next prime is 1998462721. The reversal of 1998462711 is 1172648991.

It is not a de Polignac number, because 1998462711 - 2² = 1998462707 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1998462721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105666 + ... + 1107471.

It is an arithmetic number, because the mean of its divisors is an integer number (194756144).

Almost surely, 2^1998462711 is an apocalyptic number.

1998462711 is a deficient number, since it is larger than the sum of its proper divisors (1117635593).

1998462711 is a wasteful number, since it uses less digits than its factorization.

1998462711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2213190.

The product of its digits is 217728, while the sum is 48.

The square root of 1998462711 is about 44704.1688324478. The cubic root of 1998462711 is about 1259.5981566889.

The spelling of 1998462711 in words is "one billion, nine hundred ninety-eight million, four hundred sixty-two thousand, seven hundred eleven".