738449456 has 20 divisors (see below), whose sum is σ = 1431418800. Its totient is φ = 369051072.

The previous prime is 738449447. The next prime is 738449461. The reversal of 738449456 is 654944837.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28565 + ... + 47883.

It is an arithmetic number, because the mean of its divisors is an integer number (71570940).

Almost surely, 2^738449456 is an apocalyptic number.

It is an amenable number.

738449456 is a deficient number, since it is larger than the sum of its proper divisors (692969344).

738449456 is a wasteful number, since it uses less digits than its factorization.

738449456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21716 (or 21710 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 50.

The square root of 738449456 is about 27174.4265072881. The cubic root of 738449456 is about 903.8719830730.

The spelling of 738449456 in words is "seven hundred thirty-eight million, four hundred forty-nine thousand, four hundred fifty-six".