101998464 has 32 divisors (see below), whose sum is σ = 270934440. Its totient is φ = 33999360.

The previous prime is 101998439. The next prime is 101998469. The reversal of 101998464 is 464899101.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101998469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132427 + ... + 133194.

Almost surely, 2^101998464 is an apocalyptic number.

It is an amenable number.

101998464 is an abundant number, since it is smaller than the sum of its proper divisors (168935976).

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

101998464 is an equidigital number, since it uses as much as digits as its factorization.

101998464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265638 (or 265626 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 101998464 is about 10099.4288947445. The cubic root of 101998464 is about 467.2305274980.

The spelling of 101998464 in words is "one hundred one million, nine hundred ninety-eight thousand, four hundred sixty-four".