345363912 has 80 divisors (see below), whose sum is σ = 1018287600. Its totient is φ = 109058400.

The previous prime is 345363881. The next prime is 345363919. The reversal of 345363912 is 219363543.

It is a happy number.

345363912 is a `hidden beast` number, since 3 + 4 + 5 + 3 + 639 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (345363919) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1714 + ... + 26337.

It is an arithmetic number, because the mean of its divisors is an integer number (12728595).

Almost surely, 2^345363912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 345363912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (509143800).

345363912 is an abundant number, since it is smaller than the sum of its proper divisors (672923688).

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

345363912 is a wasteful number, since it uses less digits than its factorization.

345363912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28088 (or 28075 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 345363912 is about 18583.9692208096. The cubic root of 345363912 is about 701.6044232006.

The spelling of 345363912 in words is "three hundred forty-five million, three hundred sixty-three thousand, nine hundred twelve".