2402320 has 20 divisors (see below), whose sum is σ = 5585580. Its totient is φ = 960896.

The previous prime is 2402317. The next prime is 2402329. The reversal of 2402320 is 232042.

It can be written as a sum of positive squares in 2 ways, for example, as 1806336 + 595984 = 1344^2 + 772^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×2402320² = 11542282764800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2402320.

It is not an unprimeable number, because it can be changed into a prime (2402329) 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, 14935 + ... + 15094.

It is an arithmetic number, because the mean of its divisors is an integer number (279279).

2^2402320 is an apocalyptic number.

2402320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2402320 is an abundant number, since it is smaller than the sum of its proper divisors (3183260).

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

2402320 is a wasteful number, since it uses less digits than its factorization.

2402320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30042 (or 30036 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 2402320 is about 1549.9419343963. The cubic root of 2402320 is about 133.9297173574.

Adding to 2402320 its reverse (232042), we get a palindrome (2634362).

The spelling of 2402320 in words is "two million, four hundred two thousand, three hundred twenty".