634532412 has 96 divisors (see below), whose sum is σ = 1631750400. Its totient is φ = 191020032.

The previous prime is 634532407. The next prime is 634532413. The reversal of 634532412 is 214235436.

It is a self number, because there is not a number n which added to its sum of digits gives 634532412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634532413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1674039 + ... + 1674417.

It is an arithmetic number, because the mean of its divisors is an integer number (16997400).

Almost surely, 2^634532412 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 634532412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (815875200).

634532412 is an abundant number, since it is smaller than the sum of its proper divisors (997217988).

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

634532412 is a wasteful number, since it uses less digits than its factorization.

634532412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 713 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 634532412 is about 25189.9267962414. The cubic root of 634532412 is about 859.3127789168.

Adding to 634532412 its reverse (214235436), we get a palindrome (848767848).

The spelling of 634532412 in words is "six hundred thirty-four million, five hundred thirty-two thousand, four hundred twelve".