2209704 has 48 divisors (see below), whose sum is σ = 6429600. Its totient is φ = 631008.

The previous prime is 2209703. The next prime is 2209717. The reversal of 2209704 is 4079022.

2209704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (2209703) 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 11 ways as a sum of consecutive naturals, for example, 237 + ... + 2115.

It is an arithmetic number, because the mean of its divisors is an integer number (133950).

2^2209704 is an apocalyptic number.

2209704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2209704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3214800).

2209704 is an abundant number, since it is smaller than the sum of its proper divisors (4219896).

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

2209704 is a wasteful number, since it uses less digits than its factorization.

2209704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1902 (or 1891 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2209704 is about 1486.5073158246. The cubic root of 2209704 is about 130.2500905660.

The spelling of 2209704 in words is "two million, two hundred nine thousand, seven hundred four".