890390 has 16 divisors (see below), whose sum is σ = 1613520. Its totient is φ = 353760.

The previous prime is 890377. The next prime is 890419. The reversal of 890390 is 93098.

890390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2525 + ... + 2855.

It is an arithmetic number, because the mean of its divisors is an integer number (100845).

2⁸⁹⁰³⁹⁰ is an apocalyptic number.

890390 is a deficient number, since it is larger than the sum of its proper divisors (723130).

890390 is a wasteful number, since it uses less digits than its factorization.

890390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 890390 is about 943.6047901532. The cubic root of 890390 is about 96.2040653362.

The spelling of 890390 in words is "eight hundred ninety thousand, three hundred ninety".