634680469 has 8 divisors (see below), whose sum is σ = 671349312. Its totient is φ = 598767840.

The previous prime is 634680467. The next prime is 634680491. The reversal of 634680469 is 964086436.

634680469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 634680469 - 2¹ = 634680467 is a prime.

It is a super-2 number, since 2×634680469² = 805638595460119922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634680461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187327 + ... + 190684.

It is an arithmetic number, because the mean of its divisors is an integer number (83918664).

Almost surely, 2^634680469 is an apocalyptic number.

It is an amenable number.

634680469 is a deficient number, since it is larger than the sum of its proper divisors (36668843).

634680469 is a wasteful number, since it uses less digits than its factorization.

634680469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378107.

The product of its (nonzero) digits is 746496, while the sum is 46.

The square root of 634680469 is about 25192.8654384530. The cubic root of 634680469 is about 859.3796089035.

The spelling of 634680469 in words is "six hundred thirty-four million, six hundred eighty thousand, four hundred sixty-nine".