2321436 has 48 divisors (see below), whose sum is σ = 6096384. Its totient is φ = 682176.

The previous prime is 2321399. The next prime is 2321443. The reversal of 2321436 is 6341232.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between even and odd.

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, 3265 + ... + 3911.

It is an arithmetic number, because the mean of its divisors is an integer number (127008).

2^2321436 is an apocalyptic number.

2321436 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 2321436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3048192).

2321436 is an abundant number, since it is smaller than the sum of its proper divisors (3774948).

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

2321436 is a wasteful number, since it uses less digits than its factorization.

2321436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 688 counting only the distinct ones).

The product of its digits is 864, while the sum is 21.

The square root of 2321436 is about 1523.6259383458. The cubic root of 2321436 is about 132.4094266494.

Adding to 2321436 its reverse (6341232), we get a palindrome (8662668).

The spelling of 2321436 in words is "two million, three hundred twenty-one thousand, four hundred thirty-six".