2124198 has 32 divisors (see below), whose sum is σ = 4771200. Its totient is φ = 700488.

The previous prime is 2124197. The next prime is 2124223. The reversal of 2124198 is 8914212.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7365 + ... + 7647.

It is an arithmetic number, because the mean of its divisors is an integer number (149100).

2^2124198 is an apocalyptic number.

2124198 is an abundant number, since it is smaller than the sum of its proper divisors (2647002).

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

2124198 is a wasteful number, since it uses less digits than its factorization.

2124198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 427 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 2124198 is about 1457.4628640209. The cubic root of 2124198 is about 128.5479036324.

The spelling of 2124198 in words is "two million, one hundred twenty-four thousand, one hundred ninety-eight".