2049830 has 8 divisors (see below), whose sum is σ = 3689712. Its totient is φ = 819928.

The previous prime is 2049823. The next prime is 2049847. The reversal of 2049830 is 389402.

2049830 = T₉₀₃ + T₉₀₄ + ... + T₉₀₇.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2049830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102482 + ... + 102501.

It is an arithmetic number, because the mean of its divisors is an integer number (461214).

2^2049830 is an apocalyptic number.

2049830 is a deficient number, since it is larger than the sum of its proper divisors (1639882).

2049830 is a wasteful number, since it uses less digits than its factorization.

2049830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204990.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 2049830 is about 1431.7227385217. The cubic root of 2049830 is about 127.0298976876.

The spelling of 2049830 in words is "two million, forty-nine thousand, eight hundred thirty".