342630306 has 48 divisors (see below), whose sum is σ = 786090240. Its totient is φ = 107555040.

The previous prime is 342630293. The next prime is 342630307. The reversal of 342630306 is 603036243.

It is a self number, because there is not a number n which added to its sum of digits gives 342630306.

It is not an unprimeable number, because it can be changed into a prime (342630307) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56271 + ... + 62061.

It is an arithmetic number, because the mean of its divisors is an integer number (16376880).

Almost surely, 2^342630306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342630306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393045120).

342630306 is an abundant number, since it is smaller than the sum of its proper divisors (443459934).

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

342630306 is a wasteful number, since it uses less digits than its factorization.

342630306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991 (or 5988 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

The square root of 342630306 is about 18510.2756867638. The cubic root of 342630306 is about 699.7484170739.

Adding to 342630306 its reverse (603036243), we get a palindrome (945666549).

The spelling of 342630306 in words is "three hundred forty-two million, six hundred thirty thousand, three hundred six".