634948349 has 8 divisors (see below), whose sum is σ = 730278528. Its totient is φ = 540774000.

The previous prime is 634948343. The next prime is 634948361. The reversal of 634948349 is 943849436.

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-634948349 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 634948297 and 634948306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634948343) 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, 287777 + ... + 289974.

It is an arithmetic number, because the mean of its divisors is an integer number (91284816).

Almost surely, 2^634948349 is an apocalyptic number.

It is an amenable number.

634948349 is a deficient number, since it is larger than the sum of its proper divisors (95330179).

634948349 is a wasteful number, since it uses less digits than its factorization.

634948349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577915.

The product of its digits is 2239488, while the sum is 50.

The square root of 634948349 is about 25198.1814621611. The cubic root of 634948349 is about 859.5004982014.

The spelling of 634948349 in words is "six hundred thirty-four million, nine hundred forty-eight thousand, three hundred forty-nine".