353443420 has 36 divisors (see below), whose sum is σ = 815846472. Its totient is φ = 128524000.

The previous prime is 353443397. The next prime is 353443427. The reversal of 353443420 is 24344353.

It is a super-2 number, since 2×353443420² = 249844502282592800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353443427) 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 11 ways as a sum of consecutive naturals, for example, 70606 + ... + 75445.

It is an arithmetic number, because the mean of its divisors is an integer number (22662402).

Almost surely, 2^353443420 is an apocalyptic number.

It is an amenable number.

353443420 is an abundant number, since it is smaller than the sum of its proper divisors (462403052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

353443420 is a wasteful number, since it uses less digits than its factorization.

353443420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146082 (or 146069 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 353443420 is about 18800.0909572268. The cubic root of 353443420 is about 707.0334598551.

Adding to 353443420 its reverse (24344353), we get a palindrome (377787773).

The spelling of 353443420 in words is "three hundred fifty-three million, four hundred forty-three thousand, four hundred twenty".