2099272 has 32 divisors (see below), whose sum is σ = 4737600. Its totient is φ = 851904.

The previous prime is 2099263. The next prime is 2099287. The reversal of 2099272 is 2729902.

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, 78 + ... + 2050.

It is an arithmetic number, because the mean of its divisors is an integer number (148050).

2^2099272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2099272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2368800).

2099272 is an abundant number, since it is smaller than the sum of its proper divisors (2638328).

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

2099272 is a wasteful number, since it uses less digits than its factorization.

2099272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2005 (or 2001 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 2099272 is about 1448.8864689823. The cubic root of 2099272 is about 128.0431169848.

The spelling of 2099272 in words is "two million, ninety-nine thousand, two hundred seventy-two".