353420 has 24 divisors (see below), whose sum is σ = 762048. Its totient is φ = 137600.

The previous prime is 353411. The next prime is 353429. The reversal of 353420 is 24353.

It is an interprime number because it is at equal distance from previous prime (353411) and next prime (353429).

It is not an unprimeable number, because it can be changed into a prime (353429) by changing a digit.

353420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 605 + ... + 1035.

It is an arithmetic number, because the mean of its divisors is an integer number (31752).

2³⁵³⁴²⁰ 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 353420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381024).

353420 is an abundant number, since it is smaller than the sum of its proper divisors (408628).

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

353420 is a wasteful number, since it uses less digits than its factorization.

353420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 353420 is about 594.4913792478. The cubic root of 353420 is about 70.7017842938.

Adding to 353420 its reverse (24353), we get a palindrome (377773).

The spelling of 353420 in words is "three hundred fifty-three thousand, four hundred twenty".