343245402 has 48 divisors (see below), whose sum is σ = 789101352. Its totient is φ = 107458560.

The previous prime is 343245401. The next prime is 343245403. The reversal of 343245402 is 204542343.

It is an interprime number because it is at equal distance from previous prime (343245401) and next prime (343245403).

It can be written as a sum of positive squares in 4 ways, for example, as 328660641 + 14584761 = 18129^2 + 3819^2 .

It is not an unprimeable number, because it can be changed into a prime (343245401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201418 + ... + 203114.

Almost surely, 2^343245402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 343245402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394550676).

343245402 is an abundant number, since it is smaller than the sum of its proper divisors (445855950).

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

343245402 is a wasteful number, since it uses less digits than its factorization.

343245402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383 (or 2380 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 343245402 is about 18526.8832241152. The cubic root of 343245402 is about 700.1669003390.

Adding to 343245402 its reverse (204542343), we get a palindrome (547787745).

The spelling of 343245402 in words is "three hundred forty-three million, two hundred forty-five thousand, four hundred two".