634343841 has 36 divisors (see below), whose sum is σ = 980538624. Its totient is φ = 394426560.

The previous prime is 634343821. The next prime is 634343893. The reversal of 634343841 is 148343436.

It is a happy number.

634343841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 634343841 - 2⁶ = 634343777 is a prime.

It is a super-2 number, since 2×634343841² = 804784217229266562, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 634343796 and 634343805.

It is not an unprimeable number, because it can be changed into a prime (634343821) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 347056 + ... + 348878.

It is an arithmetic number, because the mean of its divisors is an integer number (27237184).

Almost surely, 2^634343841 is an apocalyptic number.

It is an amenable number.

634343841 is a deficient number, since it is larger than the sum of its proper divisors (346194783).

634343841 is a wasteful number, since it uses less digits than its factorization.

634343841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934 (or 1890 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 634343841 is about 25186.1835338346. The cubic root of 634343841 is about 859.2276466622.

The spelling of 634343841 in words is "six hundred thirty-four million, three hundred forty-three thousand, eight hundred forty-one".