350244021 has 4 divisors (see below), whose sum is σ = 466992032. Its totient is φ = 233496012.

The previous prime is 350244007. The next prime is 350244031. The reversal of 350244021 is 120442053.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 350244021 - 2¹⁷ = 350112949 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 (350244031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58374001 + ... + 58374006.

It is an arithmetic number, because the mean of its divisors is an integer number (116748008).

Almost surely, 2^350244021 is an apocalyptic number.

It is an amenable number.

350244021 is a deficient number, since it is larger than the sum of its proper divisors (116748011).

350244021 is a wasteful number, since it uses less digits than its factorization.

350244021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116748010.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 350244021 is about 18714.8075330739. The cubic root of 350244021 is about 704.8936150523.

Adding to 350244021 its reverse (120442053), we get a palindrome (470686074).

The spelling of 350244021 in words is "three hundred fifty million, two hundred forty-four thousand, twenty-one".