355000 has 40 divisors (see below), whose sum is σ = 843480. Its totient is φ = 140000.

The previous prime is 354997. The next prime is 355007. The reversal of 355000 is 553.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 4965 + ... + 5035.

It is an arithmetic number, because the mean of its divisors is an integer number (21087).

2³⁵⁵⁰⁰⁰ 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 355000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421740).

355000 is an abundant number, since it is smaller than the sum of its proper divisors (488480).

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

355000 is an equidigital number, since it uses as much as digits as its factorization.

355000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 13.

The square root of 355000 is about 595.8187643906. The cubic root of 355000 is about 70.8069875109.

Adding to 355000 its reverse (553), we get a palindrome (355553).

The spelling of 355000 in words is "three hundred fifty-five thousand".