838045 has 8 divisors (see below), whose sum is σ = 1083096. Its totient is φ = 618816.

The previous prime is 838043. The next prime is 838063. The reversal of 838045 is 540838.

It can be written as a sum of positive squares in 4 ways, for example, as 26244 + 811801 = 162^2 + 901^2 .

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 838045 - 2¹ = 838043 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 (838043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6382 + ... + 6511.

It is an arithmetic number, because the mean of its divisors is an integer number (135387).

2⁸³⁸⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

838045 is a deficient number, since it is larger than the sum of its proper divisors (245051).

838045 is a wasteful number, since it uses less digits than its factorization.

838045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 838045 is about 915.4479777683. The cubic root of 838045 is about 94.2806236046.

It can be divided in two parts, 83 and 8045, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 838045 in words is "eight hundred thirty-eight thousand, forty-five".