2049898 has 8 divisors (see below), whose sum is σ = 3208608. Its totient is φ = 980364.

The previous prime is 2049893. The next prime is 2049919. The reversal of 2049898 is 8989402.

It is a happy number.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2049898.

It is not an unprimeable number, because it can be changed into a prime (2049893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22236 + ... + 22327.

It is an arithmetic number, because the mean of its divisors is an integer number (401076).

2^2049898 is an apocalyptic number.

2049898 is a deficient number, since it is larger than the sum of its proper divisors (1158710).

2049898 is a wasteful number, since it uses less digits than its factorization.

2049898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44588.

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2049898 is about 1431.7464859395. The cubic root of 2049898 is about 127.0313023467.

The spelling of 2049898 in words is "two million, forty-nine thousand, eight hundred ninety-eight".