998396956 has 6 divisors (see below), whose sum is σ = 1747194680. Its totient is φ = 499198476.

The previous prime is 998396951. The next prime is 998396969. The reversal of 998396956 is 659693899.

It is a pancake number, because a pancake can be divided into 998396956 parts by 44685 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998396951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 124799616 + ... + 124799623.

Almost surely, 2^998396956 is an apocalyptic number.

It is an amenable number.

998396956 is a deficient number, since it is larger than the sum of its proper divisors (748797724).

998396956 is a wasteful number, since it uses less digits than its factorization.

998396956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249599243 (or 249599241 counting only the distinct ones).

The product of its digits is 28343520, while the sum is 64.

The square root of 998396956 is about 31597.4200845575. The cubic root of 998396956 is about 999.4653662177.

The spelling of 998396956 in words is "nine hundred ninety-eight million, three hundred ninety-six thousand, nine hundred fifty-six".