344342420 has 24 divisors (see below), whose sum is σ = 746446848. Its totient is φ = 133293600.

The previous prime is 344342399. The next prime is 344342423. The reversal of 344342420 is 24243443.

It is a super-2 number, since 2×344342420² = 237143404422912800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 344342420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344342423) 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, 277076 + ... + 278315.

It is an arithmetic number, because the mean of its divisors is an integer number (31101952).

Almost surely, 2^344342420 is an apocalyptic number.

It is an amenable number.

344342420 is an abundant number, since it is smaller than the sum of its proper divisors (402104428).

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

344342420 is a wasteful number, since it uses less digits than its factorization.

344342420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555431 (or 555429 counting only the distinct ones).

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

The square root of 344342420 is about 18556.4657195275. The cubic root of 344342420 is about 700.9120221050.

Adding to 344342420 its reverse (24243443), we get a palindrome (368585863).

The spelling of 344342420 in words is "three hundred forty-four million, three hundred forty-two thousand, four hundred twenty".