98321990 has 16 divisors (see below), whose sum is σ = 190593648. Its totient is φ = 36303456.

The previous prime is 98321959. The next prime is 98322001. The reversal of 98321990 is 9912389.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 378032 + ... + 378291.

It is an arithmetic number, because the mean of its divisors is an integer number (11912103).

Almost surely, 2^98321990 is an apocalyptic number.

98321990 is a deficient number, since it is larger than the sum of its proper divisors (92271658).

98321990 is a wasteful number, since it uses less digits than its factorization.

98321990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756343.

The product of its (nonzero) digits is 34992, while the sum is 41.

The square root of 98321990 is about 9915.7445509654. The cubic root of 98321990 is about 461.5480140687.

The spelling of 98321990 in words is "ninety-eight million, three hundred twenty-one thousand, nine hundred ninety".