98211666 has 32 divisors (see below), whose sum is σ = 224853120. Its totient is φ = 28014336.

The previous prime is 98211649. The next prime is 98211667. The reversal of 98211666 is 66611289.

It is not an unprimeable number, because it can be changed into a prime (98211667) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30250 + ... + 33338.

It is an arithmetic number, because the mean of its divisors is an integer number (7026660).

Almost surely, 2^98211666 is an apocalyptic number.

98211666 is an abundant number, since it is smaller than the sum of its proper divisors (126641454).

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

98211666 is a wasteful number, since it uses less digits than its factorization.

98211666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858.

The product of its digits is 31104, while the sum is 39.

The square root of 98211666 is about 9910.1799176402. The cubic root of 98211666 is about 461.3753199773.

The spelling of 98211666 in words is "ninety-eight million, two hundred eleven thousand, six hundred sixty-six".