738221361 has 8 divisors (see below), whose sum is σ = 1018236480. Its totient is φ = 475176912.

The previous prime is 738221353. The next prime is 738221369. The reversal of 738221361 is 163122837.

It is an interprime number because it is at equal distance from previous prime (738221353) and next prime (738221369).

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

It is not a de Polignac number, because 738221361 - 2³ = 738221353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (738221369) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4242565 + ... + 4242738.

It is an arithmetic number, because the mean of its divisors is an integer number (127279560).

Almost surely, 2^738221361 is an apocalyptic number.

It is an amenable number.

738221361 is a deficient number, since it is larger than the sum of its proper divisors (280015119).

738221361 is a wasteful number, since it uses less digits than its factorization.

738221361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8485335.

The product of its digits is 12096, while the sum is 33.

The square root of 738221361 is about 27170.2293144537. The cubic root of 738221361 is about 903.7789097153.

The spelling of 738221361 in words is "seven hundred thirty-eight million, two hundred twenty-one thousand, three hundred sixty-one".