345327444 has 72 divisors (see below), whose sum is σ = 1088313408. Its totient is φ = 89694720.

The previous prime is 345327431. The next prime is 345327467. The reversal of 345327444 is 444723543.

345327444 is a `hidden beast` number, since 345 + 3 + 274 + 44 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 345327399 and 345327408.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 59517 + ... + 65060.

It is an arithmetic number, because the mean of its divisors is an integer number (15115464).

Almost surely, 2^345327444 is an apocalyptic number.

It is an amenable number.

345327444 is an abundant number, since it is smaller than the sum of its proper divisors (742985964).

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

345327444 is a wasteful number, since it uses less digits than its factorization.

345327444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124605 (or 124600 counting only the distinct ones).

The product of its digits is 161280, while the sum is 36.

The square root of 345327444 is about 18582.9880266872. The cubic root of 345327444 is about 701.5797275006.

The spelling of 345327444 in words is "three hundred forty-five million, three hundred twenty-seven thousand, four hundred forty-four".