2320456 has 8 divisors (see below), whose sum is σ = 4350870. Its totient is φ = 1160224.

The previous prime is 2320427. The next prime is 2320471. The reversal of 2320456 is 6540232.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1876900 + 443556 = 1370^2 + 666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 2⁷ + 3⁹ + 2¹¹ + 0 + 4⁸ + 5⁹ + 6⁷ .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145021 + ... + 145036.

2^2320456 is an apocalyptic number.

It is an amenable number.

2320456 is a deficient number, since it is larger than the sum of its proper divisors (2030414).

2320456 is a wasteful number, since it uses less digits than its factorization.

2320456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290063 (or 290059 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 2320456 is about 1523.3043031515. The cubic root of 2320456 is about 132.3907917036.

Adding to 2320456 its reverse (6540232), we get a palindrome (8860688).

The spelling of 2320456 in words is "two million, three hundred twenty thousand, four hundred fifty-six".