356866 has 8 divisors (see below), whose sum is σ = 540540. Its totient is φ = 176688.

The previous prime is 356831. The next prime is 356869. The reversal of 356866 is 668653.

It can be written as a sum of positive squares in 2 ways, for example, as 342225 + 14641 = 585^2 + 121^2 .

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

It is not an unprimeable number, because it can be changed into a prime (356869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601 + ... + 1036.

2³⁵⁶⁸⁶⁶ is an apocalyptic number.

356866 is a deficient number, since it is larger than the sum of its proper divisors (183674).

356866 is a wasteful number, since it uses less digits than its factorization.

356866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748.

The product of its digits is 25920, while the sum is 34.

The square root of 356866 is about 597.3826244544. The cubic root of 356866 is about 70.9308325935.

The spelling of 356866 in words is "three hundred fifty-six thousand, eight hundred sixty-six".