445934738 has 4 divisors (see below), whose sum is σ = 668902110. Its totient is φ = 222967368.

The previous prime is 445934729. The next prime is 445934759. The reversal of 445934738 is 837439544.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 431517529 + 14417209 = 20773^2 + 3797^2 .

It is a junction number, because it is equal to n+sod(n) for n = 445934692 and 445934701.

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 as a sum of consecutive naturals, namely, 111483683 + ... + 111483686.

Almost surely, 2^445934738 is an apocalyptic number.

445934738 is a deficient number, since it is larger than the sum of its proper divisors (222967372).

445934738 is a wasteful number, since it uses less digits than its factorization.

445934738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222967371.

The product of its digits is 1451520, while the sum is 47.

The square root of 445934738 is about 21117.1669027831. The cubic root of 445934738 is about 763.9948568772.

The spelling of 445934738 in words is "four hundred forty-five million, nine hundred thirty-four thousand, seven hundred thirty-eight".