342991616 has 54 divisors (see below), whose sum is σ = 749029932. Its totient is φ = 155458560.

The previous prime is 342991601. The next prime is 342991631. The reversal of 342991616 is 616199243.

342991616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (342991601) and next prime (342991631).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 982610 + ... + 982958.

Almost surely, 2^342991616 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 342991616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374514966).

342991616 is an abundant number, since it is smaller than the sum of its proper divisors (406038316).

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

342991616 is an frugal number, since it uses more digits than its factorization.

342991616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725 (or 362 counting only the distinct ones).

The product of its digits is 69984, while the sum is 41.

The square root of 342991616 is about 18520.0328293446. The cubic root of 342991616 is about 699.9942965522.

The spelling of 342991616 in words is "three hundred forty-two million, nine hundred ninety-one thousand, six hundred sixteen".