342643000 has 128 divisors (see below), whose sum is σ = 946483200. Its totient is φ = 113616000.

The previous prime is 342642961. The next prime is 342643003. The reversal of 342643000 is 346243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342643003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216211 + ... + 217789.

It is an arithmetic number, because the mean of its divisors is an integer number (7394400).

Almost surely, 2^342643000 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 342643000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473241600).

342643000 is an abundant number, since it is smaller than the sum of its proper divisors (603840200).

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

342643000 is a wasteful number, since it uses less digits than its factorization.

342643000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 342643000 is about 18510.6185742130. The cubic root of 342643000 is about 699.7570585518.

Adding to 342643000 its reverse (346243), we get a palindrome (342989243).

The spelling of 342643000 in words is "three hundred forty-two million, six hundred forty-three thousand".