344630430 has 32 divisors (see below), whose sum is σ = 919015200. Its totient is φ = 91901376.

The previous prime is 344630383. The next prime is 344630437. The reversal of 344630430 is 34036443.

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

It is a junction number, because it is equal to n+sod(n) for n = 344630394 and 344630403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344630437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637935 + ... + 638474.

It is an arithmetic number, because the mean of its divisors is an integer number (28719225).

Almost surely, 2^344630430 is an apocalyptic number.

344630430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

344630430 is an abundant number, since it is smaller than the sum of its proper divisors (574384770).

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

344630430 is a wasteful number, since it uses less digits than its factorization.

344630430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276425 (or 1276419 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 344630430 is about 18564.2244653527. The cubic root of 344630430 is about 701.1073832767.

Adding to 344630430 its reverse (34036443), we get a palindrome (378666873).

The spelling of 344630430 in words is "three hundred forty-four million, six hundred thirty thousand, four hundred thirty".