2304156 has 12 divisors (see below), whose sum is σ = 5376392. Its totient is φ = 768048.

The previous prime is 2304139. The next prime is 2304157. The reversal of 2304156 is 6514032.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2304157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95995 + ... + 96018.

2^2304156 is an apocalyptic number.

It is an amenable number.

2304156 is an abundant number, since it is smaller than the sum of its proper divisors (3072236).

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

2304156 is a wasteful number, since it uses less digits than its factorization.

2304156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192020 (or 192018 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2304156 is about 1517.9446630230. The cubic root of 2304156 is about 132.0800707951.

Adding to 2304156 its reverse (6514032), we get a palindrome (8818188).

The spelling of 2304156 in words is "two million, three hundred four thousand, one hundred fifty-six".