363866 has 8 divisors (see below), whose sum is σ = 558624. Its totient is φ = 177660.

The previous prime is 363841. The next prime is 363871. The reversal of 363866 is 668363.

363866 = T₁₀₈ + T₁₀₉ + ... + T₁₅₀.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030 + ... + 2201.

It is an arithmetic number, because the mean of its divisors is an integer number (69828).

2³⁶³⁸⁶⁶ is an apocalyptic number.

363866 is a deficient number, since it is larger than the sum of its proper divisors (194758).

363866 is a wasteful number, since it uses less digits than its factorization.

363866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4276.

The product of its digits is 15552, while the sum is 32.

The square root of 363866 is about 603.2130635190. The cubic root of 363866 is about 71.3916071600.

The spelling of 363866 in words is "three hundred sixty-three thousand, eight hundred sixty-six".