738384785 has 8 divisors (see below), whose sum is σ = 907673256. Its totient is φ = 576300160.

The previous prime is 738384769. The next prime is 738384811. The reversal of 738384785 is 587483837.

It can be written as a sum of positive squares in 4 ways, for example, as 95863681 + 642521104 = 9791^2 + 25348^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 738384785 - 2⁴ = 738384769 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1800734 + ... + 1801143.

It is an arithmetic number, because the mean of its divisors is an integer number (113459157).

Almost surely, 2^738384785 is an apocalyptic number.

It is an amenable number.

738384785 is a deficient number, since it is larger than the sum of its proper divisors (169288471).

738384785 is a wasteful number, since it uses less digits than its factorization.

738384785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3601923.

The product of its digits is 4515840, while the sum is 53.

The square root of 738384785 is about 27173.2365573187. The cubic root of 738384785 is about 903.8455962472.

The spelling of 738384785 in words is "seven hundred thirty-eight million, three hundred eighty-four thousand, seven hundred eighty-five".