4056197 has 4 divisors (see below), whose sum is σ = 4060236. Its totient is φ = 4052160.

The previous prime is 4056193. The next prime is 4056209. The reversal of 4056197 is 7916504.

It is a happy number.

It is a Cunningham number, because it is equal to 2014²+1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2540836 + 1515361 = 1594^2 + 1231^2 .

It is a cyclic number.

It is not a de Polignac number, because 4056197 - 2² = 4056193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4056193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797 + ... + 2957.

It is an arithmetic number, because the mean of its divisors is an integer number (1015059).

Almost surely, 2^4056197 is an apocalyptic number.

It is an amenable number.

4056197 is a deficient number, since it is larger than the sum of its proper divisors (4039).

4056197 is a wasteful number, since it uses less digits than its factorization.

4056197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 4056197 is about 2014.0002482621. Note that the first 3 decimals coincide. The cubic root of 4056197 is about 159.4800438865.

The spelling of 4056197 in words is "four million, fifty-six thousand, one hundred ninety-seven".