2998838 has 4 divisors (see below), whose sum is σ = 4498260. Its totient is φ = 1499418.

The previous prime is 2998837. The next prime is 2998841. The reversal of 2998838 is 8388992.

It is a happy number.

2998838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 2998792 and 2998801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2998837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749708 + ... + 749711.

It is an arithmetic number, because the mean of its divisors is an integer number (1124565).

2^2998838 is an apocalyptic number.

2998838 is a deficient number, since it is larger than the sum of its proper divisors (1499422).

2998838 is a wasteful number, since it uses less digits than its factorization.

2998838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499421.

The product of its digits is 248832, while the sum is 47.

The square root of 2998838 is about 1731.7153345744. The cubic root of 2998838 is about 144.2063335816.

The spelling of 2998838 in words is "two million, nine hundred ninety-eight thousand, eight hundred thirty-eight".