84038 has 4 divisors (see below), whose sum is σ = 126060. Its totient is φ = 42018.

The previous prime is 84017. The next prime is 84047. The reversal of 84038 is 83048.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 14.

It is a congruent number.

It is an unprimeable number.

84038 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21008 + ... + 21011.

It is an arithmetic number, because the mean of its divisors is an integer number (31515).

2⁸⁴⁰³⁸ is an apocalyptic number.

84038 is a deficient number, since it is larger than the sum of its proper divisors (42022).

84038 is a wasteful number, since it uses less digits than its factorization.

84038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42021.

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 84038 is about 289.8930837395. The cubic root of 84038 is about 43.8017944401.

Subtracting from 84038 its reverse (83048), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 840 and 38, that added together give a palindrome (878).

The spelling of 84038 in words is "eighty-four thousand, thirty-eight".