834904425 has 24 divisors (see below), whose sum is σ = 1461576096. Its totient is φ = 419088640.

The previous prime is 834904417. The next prime is 834904453. The reversal of 834904425 is 524409438.

It is not a de Polignac number, because 834904425 - 2³ = 834904417 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326139 + ... + 328688.

It is an arithmetic number, because the mean of its divisors is an integer number (60899004).

Almost surely, 2^834904425 is an apocalyptic number.

834904425 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

834904425 is a deficient number, since it is larger than the sum of its proper divisors (626671671).

834904425 is a wasteful number, since it uses less digits than its factorization.

834904425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654857 (or 654852 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 834904425 is about 28894.7127516437. The cubic root of 834904425 is about 941.6270391692.

The spelling of 834904425 in words is "eight hundred thirty-four million, nine hundred four thousand, four hundred twenty-five".