345660804 has 48 divisors (see below), whose sum is σ = 906978240. Its totient is φ = 113829120.

The previous prime is 345660803. The next prime is 345660827. The reversal of 345660804 is 408066543.

345660804 is a `hidden beast` number, since 3 + 45 + 6 + 608 + 0 + 4 = 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 (345660803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10317 + ... + 28244.

It is an arithmetic number, because the mean of its divisors is an integer number (18895380).

Almost surely, 2^345660804 is an apocalyptic number.

It is an amenable number.

345660804 is an abundant number, since it is smaller than the sum of its proper divisors (561317436).

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

345660804 is a wasteful number, since it uses less digits than its factorization.

345660804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38657 (or 38649 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 345660804 is about 18591.9553570893. The cubic root of 345660804 is about 701.8054103074.

The spelling of 345660804 in words is "three hundred forty-five million, six hundred sixty thousand, eight hundred four".