2129360 has 40 divisors (see below), whose sum is σ = 5074080. Its totient is φ = 830592.

The previous prime is 2129357. The next prime is 2129371. The reversal of 2129360 is 639212.

It is a tau number, because it is divible by the number of its divisors (40).

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, 3131 + ... + 3749.

It is an arithmetic number, because the mean of its divisors is an integer number (126852).

2^2129360 is an apocalyptic number.

2129360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2129360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2537040).

2129360 is an abundant number, since it is smaller than the sum of its proper divisors (2944720).

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

2129360 is a wasteful number, since it uses less digits than its factorization.

2129360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 2129360 is about 1459.2326750728. The cubic root of 2129360 is about 128.6519472126.

The spelling of 2129360 in words is "two million, one hundred twenty-nine thousand, three hundred sixty".