838470165 has 32 divisors (see below), whose sum is σ = 1452299520. Its totient is φ = 410628096.

The previous prime is 838470163. The next prime is 838470167. The reversal of 838470165 is 561074838.

It is an interprime number because it is at equal distance from previous prime (838470163) and next prime (838470167).

It is not a de Polignac number, because 838470165 - 2¹ = 838470163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (838470163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26496 + ... + 48774.

It is an arithmetic number, because the mean of its divisors is an integer number (45384360).

Almost surely, 2^838470165 is an apocalyptic number.

It is an amenable number.

838470165 is a deficient number, since it is larger than the sum of its proper divisors (613829355).

838470165 is a wasteful number, since it uses less digits than its factorization.

838470165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22493.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 838470165 is about 28956.3493037365. The cubic root of 838470165 is about 942.9656469153.

The spelling of 838470165 in words is "eight hundred thirty-eight million, four hundred seventy thousand, one hundred sixty-five".