890038 has 4 divisors (see below), whose sum is σ = 1335060. Its totient is φ = 445018.

The previous prime is 890027. The next prime is 890053. The reversal of 890038 is 830098.

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

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 889988 and 890015.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 222508 + ... + 222511.

It is an arithmetic number, because the mean of its divisors is an integer number (333765).

2⁸⁹⁰⁰³⁸ is an apocalyptic number.

890038 is a deficient number, since it is larger than the sum of its proper divisors (445022).

890038 is a wasteful number, since it uses less digits than its factorization.

890038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445021.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 890038 is about 943.4182529504. The cubic root of 890038 is about 96.1913861378.

The spelling of 890038 in words is "eight hundred ninety thousand, thirty-eight".