2309802 has 32 divisors (see below), whose sum is σ = 5114880. Its totient is φ = 689520.

The previous prime is 2309789. The next prime is 2309803. The reversal of 2309802 is 2089032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4993 + ... + 5435.

It is an arithmetic number, because the mean of its divisors is an integer number (159840).

2^2309802 is an apocalyptic number.

2309802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2309802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2557440).

2309802 is an abundant number, since it is smaller than the sum of its proper divisors (2805078).

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

2309802 is a wasteful number, since it uses less digits than its factorization.

2309802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2309802 is about 1519.8032767434. The cubic root of 2309802 is about 132.1878638165.

The spelling of 2309802 in words is "two million, three hundred nine thousand, eight hundred two".