2165372 has 24 divisors (see below), whose sum is σ = 4278960. Its totient is φ = 949760.

The previous prime is 2165357. The next prime is 2165393. The reversal of 2165372 is 2735612.

2165372 = 53³ + 54³ + ... + 63³.

It is a congruent number.

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, 428 + ... + 2124.

It is an arithmetic number, because the mean of its divisors is an integer number (178290).

2^2165372 is an apocalyptic number.

2165372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2165372 is a deficient number, since it is larger than the sum of its proper divisors (2113588).

2165372 is a wasteful number, since it uses less digits than its factorization.

2165372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741 (or 1739 counting only the distinct ones).

The product of its digits is 2520, while the sum is 26.

The square root of 2165372 is about 1471.5203022724. The cubic root of 2165372 is about 129.3731558622.

The spelling of 2165372 in words is "two million, one hundred sixty-five thousand, three hundred seventy-two".