343404252 has 96 divisors (see below), whose sum is σ = 962707200. Its totient is φ = 105489216.

The previous prime is 343404239. The next prime is 343404263. The reversal of 343404252 is 252404343.

343404252 is a `hidden beast` number, since 3 + 4 + 3 + 404 + 252 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73663 + ... + 78185.

It is an arithmetic number, because the mean of its divisors is an integer number (10028200).

Almost surely, 2^343404252 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 343404252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481353600).

343404252 is an abundant number, since it is smaller than the sum of its proper divisors (619302948).

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

343404252 is a wasteful number, since it uses less digits than its factorization.

343404252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4592 (or 4584 counting only the distinct ones).

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

The square root of 343404252 is about 18531.1697418161. The cubic root of 343404252 is about 700.2748933944.

Adding to 343404252 its reverse (252404343), we get a palindrome (595808595).

Subtracting from 343404252 its reverse (252404343), we obtain a palindrome (90999909).

The spelling of 343404252 in words is "three hundred forty-three million, four hundred four thousand, two hundred fifty-two".