353421204 has 72 divisors (see below), whose sum is σ = 897513120. Its totient is φ = 107939520.

The previous prime is 353421193. The next prime is 353421209. The reversal of 353421204 is 402124353.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353421209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218302 + ... + 219914.

It is an arithmetic number, because the mean of its divisors is an integer number (12465460).

Almost surely, 2^353421204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 353421204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448756560).

353421204 is an abundant number, since it is smaller than the sum of its proper divisors (544091916).

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

353421204 is a wasteful number, since it uses less digits than its factorization.

353421204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701 (or 1668 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 353421204 is about 18799.5000997367. The cubic root of 353421204 is about 707.0186458061.

Adding to 353421204 its reverse (402124353), we get a palindrome (755545557).

The spelling of 353421204 in words is "three hundred fifty-three million, four hundred twenty-one thousand, two hundred four".