834874645 has 16 divisors (see below), whose sum is σ = 1099256832. Its totient is φ = 603664960.

The previous prime is 834874639. The next prime is 834874657. The reversal of 834874645 is 546478438.

It is not a de Polignac number, because 834874645 - 2¹³ = 834866453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34357 + ... + 53386.

It is an arithmetic number, because the mean of its divisors is an integer number (68703552).

Almost surely, 2^834874645 is an apocalyptic number.

It is an amenable number.

834874645 is a deficient number, since it is larger than the sum of its proper divisors (264382187).

834874645 is a wasteful number, since it uses less digits than its factorization.

834874645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87932.

The product of its digits is 2580480, while the sum is 49.

The square root of 834874645 is about 28894.1974278574. The cubic root of 834874645 is about 941.6158434818.

The spelling of 834874645 in words is "eight hundred thirty-four million, eight hundred seventy-four thousand, six hundred forty-five".