3666854 has 4 divisors (see below), whose sum is σ = 5500284. Its totient is φ = 1833426.

The previous prime is 3666853. The next prime is 3666877. The reversal of 3666854 is 4586663.

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

It is a d-powerful number, because it can be written as 3³ + 6 + 6⁴ + 6⁸ + 8⁵ + 5⁹ + 4² .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3666853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 916712 + ... + 916715.

It is an arithmetic number, because the mean of its divisors is an integer number (1375071).

Almost surely, 2^3666854 is an apocalyptic number.

3666854 is a deficient number, since it is larger than the sum of its proper divisors (1833430).

3666854 is a wasteful number, since it uses less digits than its factorization.

3666854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1833429.

The product of its digits is 103680, while the sum is 38.

The square root of 3666854 is about 1914.9031307092. The cubic root of 3666854 is about 154.2047930377.

The spelling of 3666854 in words is "three million, six hundred sixty-six thousand, eight hundred fifty-four".