830407 has 4 divisors (see below), whose sum is σ = 832240. Its totient is φ = 828576.

The previous prime is 830387. The next prime is 830411. The reversal of 830407 is 704038.

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

It is a cyclic number.

It is not a de Polignac number, because 830407 - 2⁷ = 830279 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319 + ... + 1327.

It is an arithmetic number, because the mean of its divisors is an integer number (208060).

2⁸³⁰⁴⁰⁷ is an apocalyptic number.

830407 is a deficient number, since it is larger than the sum of its proper divisors (1833).

830407 is a wasteful number, since it uses less digits than its factorization.

830407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 830407 is about 911.2667008072. The cubic root of 830407 is about 93.9933222961.

The spelling of 830407 in words is "eight hundred thirty thousand, four hundred seven".