4097866 has 4 divisors (see below), whose sum is σ = 6146802. Its totient is φ = 2048932.

The previous prime is 4097843. The next prime is 4097869. The reversal of 4097866 is 6687904.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4020025 + 77841 = 2005^2 + 279^2 .

It is not an unprimeable number, because it can be changed into a prime (4097869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024465 + ... + 1024468.

Almost surely, 2^4097866 is an apocalyptic number.

4097866 is a deficient number, since it is larger than the sum of its proper divisors (2048936).

4097866 is a wasteful number, since it uses less digits than its factorization.

4097866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2048935.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 4097866 is about 2024.3186508057. The cubic root of 4097866 is about 160.0242931863.

The spelling of 4097866 in words is "four million, ninety-seven thousand, eight hundred sixty-six".