2340156 has 48 divisors (see below), whose sum is σ = 6723584. Its totient is φ = 616896.

The previous prime is 2340133. The next prime is 2340167. The reversal of 2340156 is 6510432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21 + ... + 2163.

2^2340156 is an apocalyptic number.

2340156 is a gapful number since it is divisible by the number (26) 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 2340156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3361792).

2340156 is an abundant number, since it is smaller than the sum of its proper divisors (4383428).

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

2340156 is a wasteful number, since it uses less digits than its factorization.

2340156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170 (or 2168 counting only the distinct ones).

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

The square root of 2340156 is about 1529.7568434232. The cubic root of 2340156 is about 132.7643896148.

Adding to 2340156 its reverse (6510432), we get a palindrome (8850588).

The spelling of 2340156 in words is "two million, three hundred forty thousand, one hundred fifty-six".