738838215 has 12 divisors (see below), whose sum is σ = 1280652984. Its totient is φ = 394047024.

The previous prime is 738838213. The next prime is 738838229. The reversal of 738838215 is 512838837.

It is not a de Polignac number, because 738838215 - 2¹ = 738838213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 16418627 = 738838215 / (7 + 3 + 8 + 8 + 3 + 8 + 2 + 1 + 5).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (738838211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8209269 + ... + 8209358.

It is an arithmetic number, because the mean of its divisors is an integer number (106721082).

Almost surely, 2^738838215 is an apocalyptic number.

738838215 is a deficient number, since it is larger than the sum of its proper divisors (541814769).

738838215 is a wasteful number, since it uses less digits than its factorization.

738838215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16418638 (or 16418635 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 738838215 is about 27181.5785965422. The cubic root of 738838215 is about 904.0305706469.

The spelling of 738838215 in words is "seven hundred thirty-eight million, eight hundred thirty-eight thousand, two hundred fifteen".