353243420 has 24 divisors (see below), whose sum is σ = 742440048. Its totient is φ = 141177600.

The previous prime is 353243393. The next prime is 353243447. The reversal of 353243420 is 24342353.

It is an interprime number because it is at equal distance from previous prime (353243393) and next prime (353243447).

It is a self number, because there is not a number n which added to its sum of digits gives 353243420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18980 + ... + 32660.

It is an arithmetic number, because the mean of its divisors is an integer number (30935002).

Almost surely, 2^353243420 is an apocalyptic number.

It is an amenable number.

353243420 is an abundant number, since it is smaller than the sum of its proper divisors (389196628).

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

353243420 is a wasteful number, since it uses less digits than its factorization.

353243420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14981 (or 14979 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 353243420 is about 18794.7710813407. The cubic root of 353243420 is about 706.9000737038.

Adding to 353243420 its reverse (24342353), we get a palindrome (377585773).

The spelling of 353243420 in words is "three hundred fifty-three million, two hundred forty-three thousand, four hundred twenty".