634395348 has 48 divisors (see below), whose sum is σ = 1654864960. Its totient is φ = 210161952.

The previous prime is 634395347. The next prime is 634395371. The reversal of 634395348 is 843593436.

634395348 is a `hidden beast` number, since 634 + 3 + 9 + 5 + 3 + 4 + 8 = 666.

It is a super-2 number, since 2×634395348² = 804914915128082208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634395347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415 + ... + 35622.

Almost surely, 2^634395348 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634395348, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (827432480).

634395348 is an abundant number, since it is smaller than the sum of its proper divisors (1020469612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

634395348 is a wasteful number, since it uses less digits than its factorization.

634395348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36213 (or 36205 counting only the distinct ones).

The product of its digits is 933120, while the sum is 45.

The square root of 634395348 is about 25187.2060379868. The cubic root of 634395348 is about 859.2509016846.

The spelling of 634395348 in words is "six hundred thirty-four million, three hundred ninety-five thousand, three hundred forty-eight".