838313537 has 8 divisors (see below), whose sum is σ = 889869096. Its totient is φ = 787007232.

The previous prime is 838313519. The next prime is 838313579. The reversal of 838313537 is 735313838.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 223323136 + 614990401 = 14944^2 + 24799^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 838313537 - 2¹⁰ = 838312513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 838313494 and 838313503.

It is not an unprimeable number, because it can be changed into a prime (838313507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55358 + ... + 68855.

It is an arithmetic number, because the mean of its divisors is an integer number (111233637).

Almost surely, 2^838313537 is an apocalyptic number.

It is an amenable number.

838313537 is a deficient number, since it is larger than the sum of its proper divisors (51555559).

838313537 is a wasteful number, since it uses less digits than its factorization.

838313537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124627.

The product of its digits is 181440, while the sum is 41.

The square root of 838313537 is about 28953.6446237775. The cubic root of 838313537 is about 942.9069272665.

The spelling of 838313537 in words is "eight hundred thirty-eight million, three hundred thirteen thousand, five hundred thirty-seven".