998766552 has 32 divisors (see below), whose sum is σ = 2853619200. Its totient is φ = 285361824.

The previous prime is 998766499. The next prime is 998766553. The reversal of 998766552 is 255667899.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 998766492 and 998766501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998766553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2972352 + ... + 2972687.

It is an arithmetic number, because the mean of its divisors is an integer number (89175600).

Almost surely, 2^998766552 is an apocalyptic number.

It is an amenable number.

998766552 is an abundant number, since it is smaller than the sum of its proper divisors (1854852648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

998766552 is a wasteful number, since it uses less digits than its factorization.

998766552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5945055 (or 5945051 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 57.

The square root of 998766552 is about 31603.2680588575. The cubic root of 998766552 is about 999.5886815070.

The spelling of 998766552 in words is "nine hundred ninety-eight million, seven hundred sixty-six thousand, five hundred fifty-two".