1988003461 has 2 divisors, whose sum is σ = 1988003462. Its totient is φ = 1988003460.

The previous prime is 1988003453. The next prime is 1988003473. The reversal of 1988003461 is 1643008891.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1407675361 + 580328100 = 37519^2 + 24090^2 .

It is a cyclic number.

It is not a de Polignac number, because 1988003461 - 2³ = 1988003453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1988003441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 994001730 + 994001731.

It is an arithmetic number, because the mean of its divisors is an integer number (994001731).

Almost surely, 2^1988003461 is an apocalyptic number.

It is an amenable number.

1988003461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1988003461 is an equidigital number, since it uses as much as digits as its factorization.

1988003461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 1988003461 is about 44587.0324309658. The cubic root of 1988003461 is about 1257.3968809302.

The spelling of 1988003461 in words is "one billion, nine hundred eighty-eight million, three thousand, four hundred sixty-one".