838461513 has 8 divisors (see below), whose sum is σ = 1121476608. Its totient is φ = 557210384.

The previous prime is 838461511. The next prime is 838461553. The reversal of 838461513 is 315164838.

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 838461513 - 2¹ = 838461511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (838461511) 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, 439881 + ... + 441782.

It is an arithmetic number, because the mean of its divisors is an integer number (140184576).

Almost surely, 2^838461513 is an apocalyptic number.

It is an amenable number.

838461513 is a deficient number, since it is larger than the sum of its proper divisors (283015095).

838461513 is a wasteful number, since it uses less digits than its factorization.

838461513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881983.

The product of its digits is 69120, while the sum is 39.

The square root of 838461513 is about 28956.1999060650. The cubic root of 838461513 is about 942.9624034818.

The spelling of 838461513 in words is "eight hundred thirty-eight million, four hundred sixty-one thousand, five hundred thirteen".