830372849 has 2 divisors, whose sum is σ = 830372850. Its totient is φ = 830372848.

The previous prime is 830372821. The next prime is 830372891. The reversal of 830372849 is 948273038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 780811249 + 49561600 = 27943^2 + 7040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-830372849 is a prime.

It is not a weakly prime, because it can be changed into another prime (830372819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415186424 + 415186425.

It is an arithmetic number, because the mean of its divisors is an integer number (415186425).

Almost surely, 2^830372849 is an apocalyptic number.

It is an amenable number.

830372849 is a deficient number, since it is larger than the sum of its proper divisors (1).

830372849 is an equidigital number, since it uses as much as digits as its factorization.

830372849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 830372849 is about 28816.1907440938. The cubic root of 830372849 is about 939.9203376734.

The spelling of 830372849 in words is "eight hundred thirty million, three hundred seventy-two thousand, eight hundred forty-nine".