98506990 has 32 divisors (see below), whose sum is σ = 181440000. Its totient is φ = 38494368.

The previous prime is 98506949. The next prime is 98507011. The reversal of 98506990 is 9960589.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 98506990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116991 + ... + 117829.

It is an arithmetic number, because the mean of its divisors is an integer number (5670000).

Almost surely, 2^98506990 is an apocalyptic number.

98506990 is a deficient number, since it is larger than the sum of its proper divisors (82933010).

98506990 is a wasteful number, since it uses less digits than its factorization.

98506990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104.

The product of its (nonzero) digits is 174960, while the sum is 46.

The square root of 98506990 is about 9925.0687655049. The cubic root of 98506990 is about 461.8373114576.

The spelling of 98506990 in words is "ninety-eight million, five hundred six thousand, nine hundred ninety".