838415485 has 8 divisors (see below), whose sum is σ = 1009680696. Its totient is φ = 668344320.

The previous prime is 838415483. The next prime is 838415507. The reversal of 838415485 is 584514838.

It can be written as a sum of positive squares in 4 ways, for example, as 83429956 + 754985529 = 9134^2 + 27477^2 .

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

It is not a de Polignac number, because 838415485 - 2¹ = 838415483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838415483) 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, 296964 + ... + 299773.

It is an arithmetic number, because the mean of its divisors is an integer number (126210087).

Almost surely, 2^838415485 is an apocalyptic number.

It is an amenable number.

838415485 is a deficient number, since it is larger than the sum of its proper divisors (171265211).

838415485 is a wasteful number, since it uses less digits than its factorization.

838415485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597023.

The product of its digits is 614400, while the sum is 46.

The square root of 838415485 is about 28955.4051085458. The cubic root of 838415485 is about 942.9451482800.

The spelling of 838415485 in words is "eight hundred thirty-eight million, four hundred fifteen thousand, four hundred eighty-five".