345400334 has 4 divisors (see below), whose sum is σ = 518100504. Its totient is φ = 172700166.

The previous prime is 345400331. The next prime is 345400351. The reversal of 345400334 is 433004543.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345400331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86350082 + ... + 86350085.

It is an arithmetic number, because the mean of its divisors is an integer number (129525126).

Almost surely, 2^345400334 is an apocalyptic number.

345400334 is a deficient number, since it is larger than the sum of its proper divisors (172700170).

345400334 is a wasteful number, since it uses less digits than its factorization.

345400334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172700169.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 345400334 is about 18584.9491255693. The cubic root of 345400334 is about 701.6290860149.

Adding to 345400334 its reverse (433004543), we get a palindrome (778404877).

The spelling of 345400334 in words is "three hundred forty-five million, four hundred thousand, three hundred thirty-four".