348820 has 24 divisors (see below), whose sum is σ = 743904. Its totient is φ = 137376.

The previous prime is 348811. The next prime is 348827. The reversal of 348820 is 28843.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (348827) by changing a digit.

348820 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, 2059 + ... + 2221.

It is an arithmetic number, because the mean of its divisors is an integer number (30996).

2³⁴⁸⁸²⁰ is an apocalyptic number.

It is an amenable number.

348820 is an abundant number, since it is smaller than the sum of its proper divisors (395084).

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

348820 is a wasteful number, since it uses less digits than its factorization.

348820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 348820 is about 590.6098543032. The cubic root of 348820 is about 70.3936999355.

The spelling of 348820 in words is "three hundred forty-eight thousand, eight hundred twenty".