342591216 has 80 divisors (see below), whose sum is σ = 972104448. Its totient is φ = 103104000.

The previous prime is 342591211. The next prime is 342591217. The reversal of 342591216 is 612195243.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342591211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77580 + ... + 81876.

Almost surely, 2^342591216 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 342591216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486052224).

342591216 is an abundant number, since it is smaller than the sum of its proper divisors (629513232).

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

342591216 is a wasteful number, since it uses less digits than its factorization.

342591216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470 (or 4464 counting only the distinct ones).

The product of its digits is 12960, while the sum is 33.

The square root of 342591216 is about 18509.2197566510. The cubic root of 342591216 is about 699.7218051003.

The spelling of 342591216 in words is "three hundred forty-two million, five hundred ninety-one thousand, two hundred sixteen".