342577216 has 56 divisors (see below), whose sum is σ = 699662304. Its totient is φ = 166333440.

The previous prime is 342577171. The next prime is 342577229. The reversal of 342577216 is 612775243.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773091 + ... + 773533.

Almost surely, 2^342577216 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 342577216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (349831152).

342577216 is an abundant number, since it is smaller than the sum of its proper divisors (357085088).

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

342577216 is a wasteful number, since it uses less digits than its factorization.

342577216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 769 counting only the distinct ones).

The product of its digits is 70560, while the sum is 37.

The square root of 342577216 is about 18508.8415628856. The cubic root of 342577216 is about 699.7122735865.

The spelling of 342577216 in words is "three hundred forty-two million, five hundred seventy-seven thousand, two hundred sixteen".