634020413 has 8 divisors (see below), whose sum is σ = 683225088. Its totient is φ = 584877744.

The previous prime is 634020407. The next prime is 634020427. The reversal of 634020413 is 314020436.

It is a happy number.

634020413 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 634020413 - 2¹⁰ = 634019389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634020473) 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, 6956 + ... + 36282.

It is an arithmetic number, because the mean of its divisors is an integer number (85403136).

Almost surely, 2^634020413 is an apocalyptic number.

It is an amenable number.

634020413 is a deficient number, since it is larger than the sum of its proper divisors (49204675).

634020413 is a wasteful number, since it uses less digits than its factorization.

634020413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31003.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 634020413 is about 25179.7619726637. The cubic root of 634020413 is about 859.0815925800.

Adding to 634020413 its sum of digits (23), we get a palindrome (634020436).

Adding to 634020413 its reverse (314020436), we get a palindrome (948040849).

The spelling of 634020413 in words is "six hundred thirty-four million, twenty thousand, four hundred thirteen".