98991006 has 8 divisors (see below), whose sum is σ = 197982024. Its totient is φ = 32997000.

The previous prime is 98990999. The next prime is 98991037. The reversal of 98991006 is 60019989.

It is a sphenic number, since it is the product of 3 distinct primes.

98991006 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8249245 + ... + 8249256.

It is an arithmetic number, because the mean of its divisors is an integer number (24747753).

Almost surely, 2^98991006 is an apocalyptic number.

98991006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

98991006 is a wasteful number, since it uses less digits than its factorization.

98991006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16498506.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 98991006 is about 9949.4223952951. The cubic root of 98991006 is about 462.5924914608.

The spelling of 98991006 in words is "ninety-eight million, nine hundred ninety-one thousand, six".