987199098 has 16 divisors (see below), whose sum is σ = 1982874816. Its totient is φ = 327653600.

The previous prime is 987199097. The next prime is 987199099. The reversal of 987199098 is 890991789.

It is an interprime number because it is at equal distance from previous prime (987199097) and next prime (987199099).

It is not an unprimeable number, because it can be changed into a prime (987199097) 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, 351678 + ... + 354473.

It is an arithmetic number, because the mean of its divisors is an integer number (123929676).

Almost surely, 2^987199098 is an apocalyptic number.

987199098 is an abundant number, since it is smaller than the sum of its proper divisors (995675718).

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

987199098 is a wasteful number, since it uses less digits than its factorization.

987199098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706389.

The product of its (nonzero) digits is 2939328, while the sum is 60.

The square root of 987199098 is about 31419.7246646116. The cubic root of 987199098 is about 995.7146950598.

The spelling of 987199098 in words is "nine hundred eighty-seven million, one hundred ninety-nine thousand, ninety-eight".