4278197 has 12 divisors (see below), whose sum is σ = 5375328. Its totient is φ = 3333000.

The previous prime is 4278193. The next prime is 4278223. The reversal of 4278197 is 7918724.

It is not a de Polignac number, because 4278197 - 2² = 4278193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4278197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4278193) 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 in 11 ways as a sum of consecutive naturals, for example, 1679 + ... + 3372.

It is an arithmetic number, because the mean of its divisors is an integer number (447944).

Almost surely, 2^4278197 is an apocalyptic number.

It is an amenable number.

4278197 is a deficient number, since it is larger than the sum of its proper divisors (1097131).

4278197 is a wasteful number, since it uses less digits than its factorization.

4278197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5080 (or 5069 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 4278197 is about 2068.3802841837. The cubic root of 4278197 is about 162.3380255854.

The spelling of 4278197 in words is "four million, two hundred seventy-eight thousand, one hundred ninety-seven".