830739 has 32 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 410112.

The previous prime is 830729. The next prime is 830741. The reversal of 830739 is 937038.

830739 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 830739 - 2⁸ = 830483 is a prime.

It is a super-2 number, since 2×830739² = 1380254572242, which contains 22 as substring.

830739 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (830719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4552 + ... + 4730.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2⁸³⁰⁷³⁹ is an apocalyptic number.

830739 is a deficient number, since it is larger than the sum of its proper divisors (620781).

830739 is a wasteful number, since it uses less digits than its factorization.

830739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 830739 is about 911.4488466173. The cubic root of 830739 is about 94.0058469277.

The spelling of 830739 in words is "eight hundred thirty thousand, seven hundred thirty-nine".