342561100 has 72 divisors (see below), whose sum is σ = 853660640. Its totient is φ = 116881920.

The previous prime is 342561097. The next prime is 342561113. The reversal of 342561100 is 1165243.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159232 + ... + 161368.

Almost surely, 2^342561100 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 342561100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426830320).

342561100 is an abundant number, since it is smaller than the sum of its proper divisors (511099540).

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

342561100 is a wasteful number, since it uses less digits than its factorization.

342561100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 342561100 is about 18508.4061982657. The cubic root of 342561100 is about 699.7013011310.

The spelling of 342561100 in words is "three hundred forty-two million, five hundred sixty-one thousand, one hundred".