998661204 has 48 divisors (see below), whose sum is σ = 2725396800. Its totient is φ = 315366048.

The previous prime is 998661163. The next prime is 998661211. The reversal of 998661204 is 402166899.

It is a happy number.

998661204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 998661204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241287 + ... + 245390.

It is an arithmetic number, because the mean of its divisors is an integer number (56779100).

Almost surely, 2^998661204 is an apocalyptic number.

It is an amenable number.

998661204 is an abundant number, since it is smaller than the sum of its proper divisors (1726735596).

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

998661204 is a wasteful number, since it uses less digits than its factorization.

998661204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486709 (or 486701 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 998661204 is about 31601.6012885423. The cubic root of 998661204 is about 999.5535353657.

The spelling of 998661204 in words is "nine hundred ninety-eight million, six hundred sixty-one thousand, two hundred four".