345400344 has 24 divisors (see below), whose sum is σ = 935459460. Its totient is φ = 115133424.

The previous prime is 345400331. The next prime is 345400351. The reversal of 345400344 is 443004543.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2398542 + ... + 2398685.

Almost surely, 2^345400344 is an apocalyptic number.

It is an amenable number.

345400344 is an abundant number, since it is smaller than the sum of its proper divisors (590059116).

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

345400344 is a wasteful number, since it uses less digits than its factorization.

345400344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4797239 (or 4797232 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 345400344 is about 18584.9493946042. The cubic root of 345400344 is about 701.6290927861.

Adding to 345400344 its reverse (443004543), we get a palindrome (788404887).

It can be divided in two parts, 345400 and 344, that added together give a square (345744 = 588²).

The spelling of 345400344 in words is "three hundred forty-five million, four hundred thousand, three hundred forty-four".