345855956 has 12 divisors (see below), whose sum is σ = 640850868. Its totient is φ = 162755712.

The previous prime is 345855949. The next prime is 345856013. The reversal of 345855956 is 659558543.

It can be written as a sum of positive squares in 2 ways, for example, as 221533456 + 124322500 = 14884^2 + 11150^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2542991 + ... + 2543126.

It is an arithmetic number, because the mean of its divisors is an integer number (53404239).

Almost surely, 2^345855956 is an apocalyptic number.

It is an amenable number.

345855956 is a deficient number, since it is larger than the sum of its proper divisors (294994912).

345855956 is a wasteful number, since it uses less digits than its factorization.

345855956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5086138 (or 5086136 counting only the distinct ones).

The product of its digits is 3240000, while the sum is 50.

The square root of 345855956 is about 18597.2029079644. The cubic root of 345855956 is about 701.9374597630.

The spelling of 345855956 in words is "three hundred forty-five million, eight hundred fifty-five thousand, nine hundred fifty-six".