2609320 has 32 divisors (see below), whose sum is σ = 6710400. Its totient is φ = 894528.

The previous prime is 2609311. The next prime is 2609329. The reversal of 2609320 is 239062.

It is an interprime number because it is at equal distance from previous prime (2609311) and next prime (2609329).

It is a junction number, because it is equal to n+sod(n) for n = 2609291 and 2609300.

It is not an unprimeable number, because it can be changed into a prime (2609329) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4380 + ... + 4939.

It is an arithmetic number, because the mean of its divisors is an integer number (209700).

2^2609320 is an apocalyptic number.

2609320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2609320 is an abundant number, since it is smaller than the sum of its proper divisors (4101080).

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

2609320 is a wasteful number, since it uses less digits than its factorization.

2609320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9337 (or 9333 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 2609320 is about 1615.3389737142. The cubic root of 2609320 is about 137.6709938768.

The spelling of 2609320 in words is "two million, six hundred nine thousand, three hundred twenty".