2729922 has 32 divisors (see below), whose sum is σ = 6074880. Its totient is φ = 812160.

The previous prime is 2729921. The next prime is 2729957. The reversal of 2729922 is 2299272.

2729922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2729921) 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 15 ways as a sum of consecutive naturals, for example, 1854 + ... + 2982.

It is an arithmetic number, because the mean of its divisors is an integer number (189840).

2^2729922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2729922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3037440).

2729922 is an abundant number, since it is smaller than the sum of its proper divisors (3344958).

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

2729922 is a wasteful number, since it uses less digits than its factorization.

2729922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178.

The product of its digits is 9072, while the sum is 33.

The square root of 2729922 is about 1652.2475601435. The cubic root of 2729922 is about 139.7601676118.

The spelling of 2729922 in words is "two million, seven hundred twenty-nine thousand, nine hundred twenty-two".