634832401 has 4 divisors (see below), whose sum is σ = 725522752. Its totient is φ = 544142052.

The previous prime is 634832383. The next prime is 634832413. The reversal of 634832401 is 104238436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 634832401 - 2⁹ = 634831889 is a prime.

It is a super-3 number, since 3×634832401³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634832441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45345165 + ... + 45345178.

It is an arithmetic number, because the mean of its divisors is an integer number (181380688).

Almost surely, 2^634832401 is an apocalyptic number.

It is an amenable number.

634832401 is a deficient number, since it is larger than the sum of its proper divisors (90690351).

634832401 is an equidigital number, since it uses as much as digits as its factorization.

634832401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90690350.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 634832401 is about 25195.8806355325. The cubic root of 634832401 is about 859.4481771842.

The spelling of 634832401 in words is "six hundred thirty-four million, eight hundred thirty-two thousand, four hundred one".