838084665 has 32 divisors (see below), whose sum is σ = 1464625152. Its totient is φ = 405848000.

The previous prime is 838084627. The next prime is 838084691. The reversal of 838084665 is 566480838.

It is not a de Polignac number, because 838084665 - 2¹⁰ = 838083641 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157600 + ... + 162830.

It is an arithmetic number, because the mean of its divisors is an integer number (45769536).

Almost surely, 2^838084665 is an apocalyptic number.

It is an amenable number.

838084665 is a deficient number, since it is larger than the sum of its proper divisors (626540487).

838084665 is a wasteful number, since it uses less digits than its factorization.

838084665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6221.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The square root of 838084665 is about 28949.6919672732. The cubic root of 838084665 is about 942.8211102752.

The spelling of 838084665 in words is "eight hundred thirty-eight million, eighty-four thousand, six hundred sixty-five".