834904951 has 4 divisors (see below), whose sum is σ = 835358832. Its totient is φ = 834451072.

The previous prime is 834904949. The next prime is 834904981. The reversal of 834904951 is 159409438.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 834904951 - 2¹ = 834904949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 834904898 and 834904907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834904981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224170 + ... + 227863.

It is an arithmetic number, because the mean of its divisors is an integer number (208839708).

Almost surely, 2^834904951 is an apocalyptic number.

834904951 is a deficient number, since it is larger than the sum of its proper divisors (453881).

834904951 is a wasteful number, since it uses less digits than its factorization.

834904951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453880.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 834904951 is about 28894.7218536535. The cubic root of 834904951 is about 941.6272369146.

The spelling of 834904951 in words is "eight hundred thirty-four million, nine hundred four thousand, nine hundred fifty-one".