98489990 has 16 divisors (see below), whose sum is σ = 180189360. Its totient is φ = 38749920.

The previous prime is 98489987. The next prime is 98490001. The reversal of 98489990 is 9998489.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80120 + ... + 81339.

It is an arithmetic number, because the mean of its divisors is an integer number (11261835).

Almost surely, 2^98489990 is an apocalyptic number.

98489990 is a deficient number, since it is larger than the sum of its proper divisors (81699370).

98489990 is a wasteful number, since it uses less digits than its factorization.

98489990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161527.

The product of its (nonzero) digits is 1679616, while the sum is 56.

The square root of 98489990 is about 9924.2123113122. The cubic root of 98489990 is about 461.8107424937.

The spelling of 98489990 in words is "ninety-eight million, four hundred eighty-nine thousand, nine hundred ninety".