99271746 has 60 divisors (see below), whose sum is σ = 251031222. Its totient is φ = 28351008.

The previous prime is 99271741. The next prime is 99271759. The reversal of 99271746 is 64717299.

It can be written as a sum of positive squares in only one way, i.e., 85766121 + 13505625 = 9261^2 + 3675^2 .

It is not an unprimeable number, because it can be changed into a prime (99271741) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 42070 + ... + 44366.

Almost surely, 2^99271746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99271746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125515611).

99271746 is an abundant number, since it is smaller than the sum of its proper divisors (151759476).

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

99271746 is a wasteful number, since it uses less digits than its factorization.

99271746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333 (or 2309 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 99271746 is about 9963.5207632644. The cubic root of 99271746 is about 463.0293851577.

The spelling of 99271746 in words is "ninety-nine million, two hundred seventy-one thousand, seven hundred forty-six".