350333021 has 16 divisors (see below), whose sum is σ = 371478960. Its totient is φ = 329871360.

The previous prime is 350333003. The next prime is 350333041. The reversal of 350333021 is 120333053.

It can be written as a sum of positive squares in 8 ways, for example, as 19456921 + 330876100 = 4411^2 + 18190^2 .

It is a cyclic number.

It is not a de Polignac number, because 350333021 - 2¹⁰ = 350331997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 350332984 and 350333002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (350333041) 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, 296051 + ... + 297231.

It is an arithmetic number, because the mean of its divisors is an integer number (23217435).

Almost surely, 2^350333021 is an apocalyptic number.

It is an amenable number.

350333021 is a deficient number, since it is larger than the sum of its proper divisors (21145939).

350333021 is a wasteful number, since it uses less digits than its factorization.

350333021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1456.

The product of its (nonzero) digits is 810, while the sum is 20.

The square root of 350333021 is about 18717.1851783328. The cubic root of 350333021 is about 704.9533164937.

Adding to 350333021 its reverse (120333053), we get a palindrome (470666074).

The spelling of 350333021 in words is "three hundred fifty million, three hundred thirty-three thousand, twenty-one".