344404356 has 24 divisors (see below), whose sum is σ = 803967360. Its totient is φ = 114750432.

The previous prime is 344404339. The next prime is 344404363. The reversal of 344404356 is 653404443.

It is a super-2 number, since 2×344404356² = 237228720863549472, which contains 22 as substring.

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, 30085 + ... + 39923.

It is an arithmetic number, because the mean of its divisors is an integer number (33498640).

Almost surely, 2^344404356 is an apocalyptic number.

It is an amenable number.

344404356 is an abundant number, since it is smaller than the sum of its proper divisors (459563004).

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

344404356 is a wasteful number, since it uses less digits than its factorization.

344404356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12763 (or 12761 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

The square root of 344404356 is about 18558.1344967645. The cubic root of 344404356 is about 700.9540433431.

Adding to 344404356 its reverse (653404443), we get a palindrome (997808799).

The spelling of 344404356 in words is "three hundred forty-four million, four hundred four thousand, three hundred fifty-six".