2198394 has 32 divisors (see below), whose sum is σ = 5330880. Its totient is φ = 666000.

The previous prime is 2198377. The next prime is 2198401. The reversal of 2198394 is 4938912.

2198394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 1257 + ... + 2444.

It is an arithmetic number, because the mean of its divisors is an integer number (166590).

2^2198394 is an apocalyptic number.

2198394 is an abundant number, since it is smaller than the sum of its proper divisors (3132486).

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

2198394 is a wasteful number, since it uses less digits than its factorization.

2198394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3723 (or 3717 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2198394 is about 1482.6982160912. The cubic root of 2198394 is about 130.0274892559.

The spelling of 2198394 in words is "two million, one hundred ninety-eight thousand, three hundred ninety-four".