634613403 has 8 divisors (see below), whose sum is σ = 846926928. Its totient is φ = 422687744.

The previous prime is 634613359. The next prime is 634613423. The reversal of 634613403 is 304316436.

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 634613403 - 2¹⁰ = 634612379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (634613423) 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, 93126 + ... + 99707.

It is an arithmetic number, because the mean of its divisors is an integer number (105865866).

Almost surely, 2^634613403 is an apocalyptic number.

634613403 is a deficient number, since it is larger than the sum of its proper divisors (212313525).

634613403 is a wasteful number, since it uses less digits than its factorization.

634613403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193933.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 634613403 is about 25191.5343518413. The cubic root of 634613403 is about 859.3493379321.

Adding to 634613403 its reverse (304316436), we get a palindrome (938929839).

The spelling of 634613403 in words is "six hundred thirty-four million, six hundred thirteen thousand, four hundred three".