830984345 has 4 divisors (see below), whose sum is σ = 997181220. Its totient is φ = 664787472.

The previous prime is 830984339. The next prime is 830984377. The reversal of 830984345 is 543489038.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 543489038 = 2 ⋅271744519.

It can be written as a sum of positive squares in 2 ways, for example, as 551827081 + 279157264 = 23491^2 + 16708^2 .

It is a cyclic number.

It is not a de Polignac number, because 830984345 - 2¹⁴ = 830967961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 830984296 and 830984305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83098430 + ... + 83098439.

It is an arithmetic number, because the mean of its divisors is an integer number (249295305).

Almost surely, 2^830984345 is an apocalyptic number.

It is an amenable number.

830984345 is a deficient number, since it is larger than the sum of its proper divisors (166196875).

830984345 is a wasteful number, since it uses less digits than its factorization.

830984345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166196874.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 830984345 is about 28826.7990765537. The cubic root of 830984345 is about 940.1510037327.

The spelling of 830984345 in words is "eight hundred thirty million, nine hundred eighty-four thousand, three hundred forty-five".