344220434 has 16 divisors (see below), whose sum is σ = 522412800. Its totient is φ = 170094384.

The previous prime is 344220431. The next prime is 344220451. The reversal of 344220434 is 434022443.

It is not an unprimeable number, because it can be changed into a prime (344220431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60959 + ... + 66365.

It is an arithmetic number, because the mean of its divisors is an integer number (32650800).

Almost surely, 2^344220434 is an apocalyptic number.

344220434 is a deficient number, since it is larger than the sum of its proper divisors (178192366).

344220434 is a wasteful number, since it uses less digits than its factorization.

344220434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5777.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 344220434 is about 18553.1785416947. The cubic root of 344220434 is about 700.8292444710.

Adding to 344220434 its reverse (434022443), we get a palindrome (778242877).

The spelling of 344220434 in words is "three hundred forty-four million, two hundred twenty thousand, four hundred thirty-four".