634794427 has 8 divisors (see below), whose sum is σ = 691246800. Its totient is φ = 580646304.

The previous prime is 634794403. The next prime is 634794437. The reversal of 634794427 is 724497436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-634794427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634794437) 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 7 ways as a sum of consecutive naturals, for example, 575488 + ... + 576589.

It is an arithmetic number, because the mean of its divisors is an integer number (86405850).

Almost surely, 2^634794427 is an apocalyptic number.

634794427 is a deficient number, since it is larger than the sum of its proper divisors (56452373).

634794427 is a wasteful number, since it uses less digits than its factorization.

634794427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152125.

The product of its digits is 1016064, while the sum is 46.

The square root of 634794427 is about 25195.1270486973. The cubic root of 634794427 is about 859.4310402014.

The spelling of 634794427 in words is "six hundred thirty-four million, seven hundred ninety-four thousand, four hundred twenty-seven".