344420312 has 8 divisors (see below), whose sum is σ = 645788100. Its totient is φ = 172210152.

The previous prime is 344420303. The next prime is 344420359. The reversal of 344420312 is 213024443.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21526262 + ... + 21526277.

Almost surely, 2^344420312 is an apocalyptic number.

It is an amenable number.

344420312 is a deficient number, since it is larger than the sum of its proper divisors (301367788).

344420312 is a wasteful number, since it uses less digits than its factorization.

344420312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43052545 (or 43052541 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 344420312 is about 18558.5643841327. The cubic root of 344420312 is about 700.9648680707.

Adding to 344420312 its reverse (213024443), we get a palindrome (557444755).

The spelling of 344420312 in words is "three hundred forty-four million, four hundred twenty thousand, three hundred twelve".