834995457 has 18 divisors (see below), whose sum is σ = 1234830402. Its totient is φ = 543707136.

The previous prime is 834995437. The next prime is 834995459. The reversal of 834995457 is 754599438.

834995457 is a `hidden beast` number, since 8 + 3 + 4 + 99 + 545 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 834978816 + 16641 = 28896^2 + 129^2 .

It is not a de Polignac number, because 834995457 - 2¹² = 834991361 is a prime.

It is a super-4 number, since 4×834995457⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834995459) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8448 + ... + 41729.

It is an arithmetic number, because the mean of its divisors is an integer number (68601689).

Almost surely, 2^834995457 is an apocalyptic number.

It is an amenable number.

834995457 is a deficient number, since it is larger than the sum of its proper divisors (399834945).

834995457 is a wasteful number, since it uses less digits than its factorization.

834995457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50269 (or 50223 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The square root of 834995457 is about 28896.2879449939. The cubic root of 834995457 is about 941.6612606820.

The spelling of 834995457 in words is "eight hundred thirty-four million, nine hundred ninety-five thousand, four hundred fifty-seven".