353666 has 16 divisors (see below), whose sum is σ = 574560. Its totient is φ = 162720.

The previous prime is 353657. The next prime is 353677. The reversal of 353666 is 666353.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1445 + ... + 1671.

It is an arithmetic number, because the mean of its divisors is an integer number (35910).

2³⁵³⁶⁶⁶ is an apocalyptic number.

353666 is a deficient number, since it is larger than the sum of its proper divisors (220894).

353666 is a wasteful number, since it uses less digits than its factorization.

353666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289.

The product of its digits is 9720, while the sum is 29.

The square root of 353666 is about 594.6982428089. The cubic root of 353666 is about 70.7181846155.

The spelling of 353666 in words is "three hundred fifty-three thousand, six hundred sixty-six".