344420026 has 4 divisors (see below), whose sum is σ = 516630042. Its totient is φ = 172210012.

The previous prime is 344420003. The next prime is 344420033. The reversal of 344420026 is 620024443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 620024443 = 4409 ⋅140627.

It can be written as a sum of positive squares in only one way, i.e., 311346025 + 33074001 = 17645^2 + 5751^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86105005 + ... + 86105008.

Almost surely, 2^344420026 is an apocalyptic number.

344420026 is a deficient number, since it is larger than the sum of its proper divisors (172210016).

344420026 is a wasteful number, since it uses less digits than its factorization.

344420026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172210015.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 344420026 is about 18558.5566787937. The cubic root of 344420026 is about 700.9646740481.

Adding to 344420026 its reverse (620024443), we get a palindrome (964444469).

The spelling of 344420026 in words is "three hundred forty-four million, four hundred twenty thousand, twenty-six".