345400004 has 12 divisors (see below), whose sum is σ = 606750144. Its totient is φ = 172042824.

The previous prime is 345400001. The next prime is 345400051. The reversal of 345400004 is 400004543.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (345400001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163112 + ... + 165215.

It is an arithmetic number, because the mean of its divisors is an integer number (50562512).

Almost surely, 2^345400004 is an apocalyptic number.

It is an amenable number.

345400004 is a deficient number, since it is larger than the sum of its proper divisors (261350140).

345400004 is a wasteful number, since it uses less digits than its factorization.

345400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328594 (or 328592 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 345400004 is about 18584.9402474154. The cubic root of 345400004 is about 701.6288625663.

Adding to 345400004 its reverse (400004543), we get a palindrome (745404547).

The spelling of 345400004 in words is "three hundred forty-five million, four hundred thousand, four".