344230428 has 24 divisors (see below), whose sum is σ = 804021120. Its totient is φ = 114626800.

The previous prime is 344230427. The next prime is 344230441. The reversal of 344230428 is 824032443.

It is a super-2 number, since 2×344230428² = 236989175122126368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 344230395 and 344230404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344230427) 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, 1848 + ... + 26303.

It is an arithmetic number, because the mean of its divisors is an integer number (33500880).

Almost surely, 2^344230428 is an apocalyptic number.

It is an amenable number.

344230428 is an abundant number, since it is smaller than the sum of its proper divisors (459790692).

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

344230428 is a wasteful number, since it uses less digits than its factorization.

344230428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29177 (or 29175 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 344230428 is about 18553.4478736433. The cubic root of 344230428 is about 700.8360269656.

The spelling of 344230428 in words is "three hundred forty-four million, two hundred thirty thousand, four hundred twenty-eight".