2019898 has 8 divisors (see below), whose sum is σ = 3127680. Its totient is φ = 977340.

The previous prime is 2019881. The next prime is 2019907. The reversal of 2019898 is 8989102.

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

It is an Ulam 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, 16228 + ... + 16351.

It is an arithmetic number, because the mean of its divisors is an integer number (390960).

2^2019898 is an apocalyptic number.

2019898 is a deficient number, since it is larger than the sum of its proper divisors (1107782).

2019898 is a wasteful number, since it uses less digits than its factorization.

2019898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32612.

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 2019898 is about 1421.2311564274. The cubic root of 2019898 is about 126.4085587459.

The spelling of 2019898 in words is "two million, nineteen thousand, eight hundred ninety-eight".