353044421 has 4 divisors (see below), whose sum is σ = 353966592. Its totient is φ = 352122252.

The previous prime is 353044409. The next prime is 353044451. The reversal of 353044421 is 124440353.

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 a cyclic number.

It is not a de Polignac number, because 353044421 - 2²⁶ = 285935557 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 (353044451) 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, 460511 + ... + 461276.

It is an arithmetic number, because the mean of its divisors is an integer number (88491648).

Almost surely, 2^353044421 is an apocalyptic number.

It is an amenable number.

353044421 is a deficient number, since it is larger than the sum of its proper divisors (922171).

353044421 is an equidigital number, since it uses as much as digits as its factorization.

353044421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922170.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 353044421 is about 18789.4763365028. The cubic root of 353044421 is about 706.7673051709.

Adding to 353044421 its reverse (124440353), we get a palindrome (477484774).

The spelling of 353044421 in words is "three hundred fifty-three million, forty-four thousand, four hundred twenty-one".