350220685 has 8 divisors (see below), whose sum is σ = 422942616. Its totient is φ = 278391360.

The previous prime is 350220683. The next prime is 350220691. The reversal of 350220685 is 586022053.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6889 + 350213796 = 83^2 + 18714^2 .

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

It is not a de Polignac number, because 350220685 - 2¹ = 350220683 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 (350220683) 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, 222286 + ... + 223855.

It is an arithmetic number, because the mean of its divisors is an integer number (52867827).

Almost surely, 2^350220685 is an apocalyptic number.

It is an amenable number.

350220685 is a deficient number, since it is larger than the sum of its proper divisors (72721931).

350220685 is a wasteful number, since it uses less digits than its factorization.

350220685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446303.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 350220685 is about 18714.1840591568. The cubic root of 350220685 is about 704.8779595267.

The spelling of 350220685 in words is "three hundred fifty million, two hundred twenty thousand, six hundred eighty-five".