343421442 has 48 divisors (see below), whose sum is σ = 915794880. Its totient is φ = 90572256.

The previous prime is 343421417. The next prime is 343421459. The reversal of 343421442 is 244124343.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103192 + ... + 106467.

It is an arithmetic number, because the mean of its divisors is an integer number (19079060).

Almost surely, 2^343421442 is an apocalyptic number.

343421442 is an abundant number, since it is smaller than the sum of its proper divisors (572373438).

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

343421442 is a wasteful number, since it uses less digits than its factorization.

343421442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209687 (or 209684 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 343421442 is about 18531.6335491505. The cubic root of 343421442 is about 700.2865778980.

Adding to 343421442 its reverse (244124343), we get a palindrome (587545785).

The spelling of 343421442 in words is "three hundred forty-three million, four hundred twenty-one thousand, four hundred forty-two".