352420 has 24 divisors (see below), whose sum is σ = 753984. Its totient is φ = 138336.

The previous prime is 352411. The next prime is 352421. The reversal of 352420 is 24253.

It is a junction number, because it is equal to n+sod(n) for n = 352394 and 352403.

It is not an unprimeable number, because it can be changed into a prime (352421) by changing a digit.

352420 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209 + ... + 1471.

It is an arithmetic number, because the mean of its divisors is an integer number (31416).

2³⁵²⁴²⁰ is an apocalyptic number.

It is an amenable number.

352420 is an abundant number, since it is smaller than the sum of its proper divisors (401564).

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

352420 is a wasteful number, since it uses less digits than its factorization.

352420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 352420 is about 593.6497283752. The cubic root of 352420 is about 70.6350378611.

Adding to 352420 its reverse (24253), we get a palindrome (376673).

The spelling of 352420 in words is "three hundred fifty-two thousand, four hundred twenty".