2185320 has 32 divisors (see below), whose sum is σ = 6556320. Its totient is φ = 582720.

The previous prime is 2185297. The next prime is 2185343. The reversal of 2185320 is 235812.

It is an interprime number because it is at equal distance from previous prime (2185297) and next prime (2185343).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8986 + ... + 9225.

It is an arithmetic number, because the mean of its divisors is an integer number (204885).

2^2185320 is an apocalyptic number.

2185320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2185320 is an abundant number, since it is smaller than the sum of its proper divisors (4371000).

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

2185320 is a wasteful number, since it uses less digits than its factorization.

2185320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18225 (or 18221 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2185320 is about 1478.2827875613. The cubic root of 2185320 is about 129.7692157863.

The spelling of 2185320 in words is "two million, one hundred eighty-five thousand, three hundred twenty".