830390 has 16 divisors (see below), whose sum is σ = 1630800. Its totient is φ = 301920.

The previous prime is 830387. The next prime is 830411. The reversal of 830390 is 93038.

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, 3665 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (101925).

2⁸³⁰³⁹⁰ is an apocalyptic number.

830390 is a deficient number, since it is larger than the sum of its proper divisors (800410).

830390 is a wasteful number, since it uses less digits than its factorization.

830390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7567.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 830390 is about 911.2573730840. The cubic root of 830390 is about 93.9926808848.

The spelling of 830390 in words is "eight hundred thirty thousand, three hundred ninety".