350993321 has 12 divisors (see below), whose sum is σ = 416988288. Its totient is φ = 294448392.

The previous prime is 350993311. The next prime is 350993323. The reversal of 350993321 is 123399053.

It is a happy number.

It is not a de Polignac number, because 350993321 - 2²² = 346799017 is a prime.

It is a super-2 number, since 2×350993321² = 246392622773218082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (350993323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73901 + ... + 78506.

It is an arithmetic number, because the mean of its divisors is an integer number (34749024).

Almost surely, 2^350993321 is an apocalyptic number.

It is an amenable number.

350993321 is a deficient number, since it is larger than the sum of its proper divisors (65994967).

350993321 is a wasteful number, since it uses less digits than its factorization.

350993321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152468 (or 152461 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 35.

The square root of 350993321 is about 18734.8157450240. The cubic root of 350993321 is about 705.3959320530.

The spelling of 350993321 in words is "three hundred fifty million, nine hundred ninety-three thousand, three hundred twenty-one".