344428234 has 4 divisors (see below), whose sum is σ = 516642354. Its totient is φ = 172214116.

The previous prime is 344428207. The next prime is 344428261. The reversal of 344428234 is 432824443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432824443 = 379 ⋅1142017.

It is an interprime number because it is at equal distance from previous prime (344428207) and next prime (344428261).

It can be written as a sum of positive squares in only one way, i.e., 267813225 + 76615009 = 16365^2 + 8753^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 344428234.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86107057 + ... + 86107060.

Almost surely, 2^344428234 is an apocalyptic number.

344428234 is a deficient number, since it is larger than the sum of its proper divisors (172214120).

344428234 is a wasteful number, since it uses less digits than its factorization.

344428234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172214119.

The product of its digits is 73728, while the sum is 34.

The square root of 344428234 is about 18558.7778153627. Note that the first 3 decimals coincide. The cubic root of 344428234 is about 700.9702423193.

The spelling of 344428234 in words is "three hundred forty-four million, four hundred twenty-eight thousand, two hundred thirty-four".