998966652 has 12 divisors (see below), whose sum is σ = 2330922216. Its totient is φ = 332988880.

The previous prime is 998966651. The next prime is 998966653. The reversal of 998966652 is 256669899.

It is an interprime number because it is at equal distance from previous prime (998966651) and next prime (998966653).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998966651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41623599 + ... + 41623622.

It is an arithmetic number, because the mean of its divisors is an integer number (194243518).

Almost surely, 2^998966652 is an apocalyptic number.

It is an amenable number.

998966652 is an abundant number, since it is smaller than the sum of its proper divisors (1331955564).

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

998966652 is a wasteful number, since it uses less digits than its factorization.

998966652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83247228 (or 83247226 counting only the distinct ones).

The product of its digits is 12597120, while the sum is 60.

The square root of 998966652 is about 31606.4337121416. The cubic root of 998966652 is about 999.6554319532.

The spelling of 998966652 in words is "nine hundred ninety-eight million, nine hundred sixty-six thousand, six hundred fifty-two".