350661 has 8 divisors (see below), whose sum is σ = 470880. Its totient is φ = 232112.

The previous prime is 350657. The next prime is 350663. The reversal of 350661 is 166053.

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

It is a cyclic number.

It is not a de Polignac number, because 350661 - 2² = 350657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211 + ... + 863.

It is an arithmetic number, because the mean of its divisors is an integer number (58860).

2³⁵⁰⁶⁶¹ is an apocalyptic number.

It is an amenable number.

350661 is a deficient number, since it is larger than the sum of its proper divisors (120219).

350661 is a wasteful number, since it uses less digits than its factorization.

350661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 350661 is about 592.1663617599. The cubic root of 350661 is about 70.5173238449.

The spelling of 350661 in words is "three hundred fifty thousand, six hundred sixty-one".