998766069 has 12 divisors (see below), whose sum is σ = 1549106784. Its totient is φ = 570723384.

The previous prime is 998766059. The next prime is 998766077. The reversal of 998766069 is 960667899.

It is a happy number.

It is not a de Polignac number, because 998766069 - 2⁸ = 998765813 is a prime.

It is a super-2 number, since 2×998766069² = 1995067321171425522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998766059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3397017 + ... + 3397310.

It is an arithmetic number, because the mean of its divisors is an integer number (129092232).

Almost surely, 2^998766069 is an apocalyptic number.

It is an amenable number.

998766069 is a deficient number, since it is larger than the sum of its proper divisors (550340715).

998766069 is a wasteful number, since it uses less digits than its factorization.

998766069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6794344 (or 6794337 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 60.

The square root of 998766069 is about 31603.2604172418. The cubic root of 998766069 is about 999.5885203744.

The spelling of 998766069 in words is "nine hundred ninety-eight million, seven hundred sixty-six thousand, sixty-nine".