348399306 has 56 divisors (see below), whose sum is σ = 793255680. Its totient is φ = 114694056.

The previous prime is 348399299. The next prime is 348399329. The reversal of 348399306 is 603993843.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 119575 + ... + 122453.

It is an arithmetic number, because the mean of its divisors is an integer number (14165280).

Almost surely, 2^348399306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 348399306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396627840).

348399306 is an abundant number, since it is smaller than the sum of its proper divisors (444856374).

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

348399306 is an equidigital number, since it uses as much as digits as its factorization.

348399306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982 (or 2967 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 348399306 is about 18665.4575620315. The cubic root of 348399306 is about 703.6538913476.

The spelling of 348399306 in words is "three hundred forty-eight million, three hundred ninety-nine thousand, three hundred six".