2118498 has 16 divisors (see below), whose sum is σ = 4297536. Its totient is φ = 696080.

The previous prime is 2118497. The next prime is 2118503. The reversal of 2118498 is 8948112.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2118491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2061 + ... + 2912.

It is an arithmetic number, because the mean of its divisors is an integer number (268596).

2^2118498 is an apocalyptic number.

2118498 is an abundant number, since it is smaller than the sum of its proper divisors (2179038).

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

2118498 is a wasteful number, since it uses less digits than its factorization.

2118498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5049.

The product of its digits is 4608, while the sum is 33.

The square root of 2118498 is about 1455.5060975482. The cubic root of 2118498 is about 128.4328202899.

The spelling of 2118498 in words is "two million, one hundred eighteen thousand, four hundred ninety-eight".