343421004 has 24 divisors (see below), whose sum is σ = 836156160. Its totient is φ = 109496464.

The previous prime is 343420997. The next prime is 343421047. The reversal of 343421004 is 400124343.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621864 + ... + 622415.

It is an arithmetic number, because the mean of its divisors is an integer number (34839840).

Almost surely, 2^343421004 is an apocalyptic number.

It is an amenable number.

343421004 is an abundant number, since it is smaller than the sum of its proper divisors (492735156).

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

343421004 is a wasteful number, since it uses less digits than its factorization.

343421004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244309 (or 1244307 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 343421004 is about 18531.6217315161. The cubic root of 343421004 is about 700.2862801825.

Adding to 343421004 its reverse (400124343), we get a palindrome (743545347).

The spelling of 343421004 in words is "three hundred forty-three million, four hundred twenty-one thousand, four".