998920463 has 2 divisors, whose sum is σ = 998920464. Its totient is φ = 998920462.

The previous prime is 998920451. The next prime is 998920501. The reversal of 998920463 is 364029899.

998920463 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 998920463 - 2¹² = 998916367 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998920423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499460231 + 499460232.

It is an arithmetic number, because the mean of its divisors is an integer number (499460232).

Almost surely, 2^998920463 is an apocalyptic number.

998920463 is a deficient number, since it is larger than the sum of its proper divisors (1).

998920463 is an equidigital number, since it uses as much as digits as its factorization.

998920463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 50.

The square root of 998920463 is about 31605.7030138550. The cubic root of 998920463 is about 999.6400247667.

The spelling of 998920463 in words is "nine hundred ninety-eight million, nine hundred twenty thousand, four hundred sixty-three".