830387 has 2 divisors, whose sum is σ = 830388. Its totient is φ = 830386.

The previous prime is 830383. The next prime is 830411. The reversal of 830387 is 783038.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 830387 - 2² = 830383 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (830383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415193 + 415194.

It is an arithmetic number, because the mean of its divisors is an integer number (415194).

2⁸³⁰³⁸⁷ is an apocalyptic number.

830387 is a deficient number, since it is larger than the sum of its proper divisors (1).

830387 is an equidigital number, since it uses as much as digits as its factorization.

830387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 830387 is about 911.2557270053. The cubic root of 830387 is about 93.9925676936.

The spelling of 830387 in words is "eight hundred thirty thousand, three hundred eighty-seven".