988621363 has 2 divisors, whose sum is σ = 988621364. Its totient is φ = 988621362.

The previous prime is 988621273. The next prime is 988621367. The reversal of 988621363 is 363126889.

It is a strong prime.

It is an emirp because it is prime and its reverse (363126889) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 988621363 - 2⁹ = 988620851 is a prime.

It is not a weakly prime, because it can be changed into another prime (988621367) 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, 494310681 + 494310682.

It is an arithmetic number, because the mean of its divisors is an integer number (494310682).

Almost surely, 2^988621363 is an apocalyptic number.

988621363 is a deficient number, since it is larger than the sum of its proper divisors (1).

988621363 is an equidigital number, since it uses as much as digits as its factorization.

988621363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 46.

The square root of 988621363 is about 31442.3498326699. The cubic root of 988621363 is about 996.1926434331.

The spelling of 988621363 in words is "nine hundred eighty-eight million, six hundred twenty-one thousand, three hundred sixty-three".