2197838 has 8 divisors (see below), whose sum is σ = 3403200. Its totient is φ = 1063440.

The previous prime is 2197799. The next prime is 2197847. The reversal of 2197838 is 8387912.

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

It is a congruent 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, 17663 + ... + 17786.

It is an arithmetic number, because the mean of its divisors is an integer number (425400).

2^2197838 is an apocalyptic number.

2197838 is a deficient number, since it is larger than the sum of its proper divisors (1205362).

2197838 is a wasteful number, since it uses less digits than its factorization.

2197838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35482.

The product of its digits is 24192, while the sum is 38.

The square root of 2197838 is about 1482.5107082244. The cubic root of 2197838 is about 130.0165264986.

The spelling of 2197838 in words is "two million, one hundred ninety-seven thousand, eight hundred thirty-eight".