634311445 has 8 divisors (see below), whose sum is σ = 772534944. Its totient is φ = 499875024.

The previous prime is 634311443. The next prime is 634311467. The reversal of 634311445 is 544113436.

It is a happy number.

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 634311445 - 2¹ = 634311443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634311443) 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, 946399 + ... + 947068.

It is an arithmetic number, because the mean of its divisors is an integer number (96566868).

Almost surely, 2^634311445 is an apocalyptic number.

It is an amenable number.

634311445 is a deficient number, since it is larger than the sum of its proper divisors (138223499).

634311445 is a wasteful number, since it uses less digits than its factorization.

634311445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893539.

The product of its digits is 17280, while the sum is 31.

The square root of 634311445 is about 25185.5403952347. The cubic root of 634311445 is about 859.2130194675.

The spelling of 634311445 in words is "six hundred thirty-four million, three hundred eleven thousand, four hundred forty-five".