2129930 has 48 divisors (see below), whose sum is σ = 4509216. Its totient is φ = 718080.

The previous prime is 2129903. The next prime is 2129951. The reversal of 2129930 is 399212.

It is a self number, because there is not a number n which added to its sum of digits gives 2129930.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31757 + ... + 31823.

It is an arithmetic number, because the mean of its divisors is an integer number (93942).

2^2129930 is an apocalyptic number.

2129930 is an abundant number, since it is smaller than the sum of its proper divisors (2379286).

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

2129930 is a wasteful number, since it uses less digits than its factorization.

2129930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 2129930 is about 1459.4279701308. The cubic root of 2129930 is about 128.6634256330.

The spelling of 2129930 in words is "two million, one hundred twenty-nine thousand, nine hundred thirty".