2093866 has 4 divisors (see below), whose sum is σ = 3140802. Its totient is φ = 1046932.

The previous prime is 2093863. The next prime is 2093869. The reversal of 2093866 is 6683902.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2093863) and next prime (2093869).

It can be written as a sum of positive squares in only one way, i.e., 1256641 + 837225 = 1121^2 + 915^2 .

It is not an unprimeable number, because it can be changed into a prime (2093863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 523465 + ... + 523468.

2^2093866 is an apocalyptic number.

2093866 is a deficient number, since it is larger than the sum of its proper divisors (1046936).

2093866 is a wasteful number, since it uses less digits than its factorization.

2093866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046935.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2093866 is about 1447.0196957886. The cubic root of 2093866 is about 127.9331112110.

The spelling of 2093866 in words is "two million, ninety-three thousand, eight hundred sixty-six".