2152830 has 16 divisors (see below), whose sum is σ = 5166864. Its totient is φ = 574080.

The previous prime is 2152819. The next prime is 2152831. The reversal of 2152830 is 382512.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2152797 and 2152806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152831) 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, 35851 + ... + 35910.

It is an arithmetic number, because the mean of its divisors is an integer number (322929).

2^2152830 is an apocalyptic number.

2152830 is an abundant number, since it is smaller than the sum of its proper divisors (3014034).

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

2152830 is a wasteful number, since it uses less digits than its factorization.

2152830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71771.

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

The square root of 2152830 is about 1467.2525345011. The cubic root of 2152830 is about 129.1228923235.

The spelling of 2152830 in words is "two million, one hundred fifty-two thousand, eight hundred thirty".