984142698 has 64 divisors (see below), whose sum is σ = 2459261952. Its totient is φ = 255070080.

The previous prime is 984142673. The next prime is 984142717. The reversal of 984142698 is 896241489.

It is a self number, because there is not a number n which added to its sum of digits gives 984142698.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239590 + ... + 243662.

It is an arithmetic number, because the mean of its divisors is an integer number (38425968).

Almost surely, 2^984142698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 984142698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229630976).

984142698 is an abundant number, since it is smaller than the sum of its proper divisors (1475119254).

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

984142698 is a wasteful number, since it uses less digits than its factorization.

984142698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619.

The product of its digits is 995328, while the sum is 51.

The square root of 984142698 is about 31371.0487233054. The cubic root of 984142698 is about 994.6860445630.

The spelling of 984142698 in words is "nine hundred eighty-four million, one hundred forty-two thousand, six hundred ninety-eight".