2119830 has 32 divisors (see below), whose sum is σ = 5356800. Its totient is φ = 535392.

The previous prime is 2119829. The next prime is 2119837. The reversal of 2119830 is 389112.

It is a self number, because there is not a number n which added to its sum of digits gives 2119830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1290 + ... + 2429.

It is an arithmetic number, because the mean of its divisors is an integer number (167400).

2^2119830 is an apocalyptic number.

2119830 is an abundant number, since it is smaller than the sum of its proper divisors (3236970).

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

2119830 is a wasteful number, since it uses less digits than its factorization.

2119830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3748.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 2119830 is about 1455.9635984461. The cubic root of 2119830 is about 128.4597319156.

The spelling of 2119830 in words is "two million, one hundred nineteen thousand, eight hundred thirty".