350665 has 16 divisors (see below), whose sum is σ = 494208. Its totient is φ = 233856.

The previous prime is 350663. The next prime is 350677. The reversal of 350665 is 566053.

It is not a de Polignac number, because 350665 - 2¹ = 350663 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 1389 + ... + 1621.

It is an arithmetic number, because the mean of its divisors is an integer number (30888).

2³⁵⁰⁶⁶⁵ is an apocalyptic number.

350665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

350665 is a deficient number, since it is larger than the sum of its proper divisors (143543).

350665 is a wasteful number, since it uses less digits than its factorization.

350665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 350665 is about 592.1697391796. The cubic root of 350665 is about 70.5175919749.

The spelling of 350665 in words is "three hundred fifty thousand, six hundred sixty-five".