634965347 has 8 divisors (see below), whose sum is σ = 676670976. Its totient is φ = 594434632.

The previous prime is 634965341. The next prime is 634965349. The reversal of 634965347 is 743569436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 634965347 - 2¹⁸ = 634703203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634965341) 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, 292613 + ... + 294774.

It is an arithmetic number, because the mean of its divisors is an integer number (84583872).

Almost surely, 2^634965347 is an apocalyptic number.

634965347 is a deficient number, since it is larger than the sum of its proper divisors (41705629).

634965347 is a wasteful number, since it uses less digits than its factorization.

634965347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587457.

The product of its digits is 1632960, while the sum is 47.

The square root of 634965347 is about 25198.5187461486. The cubic root of 634965347 is about 859.5081679377.

The spelling of 634965347 in words is "six hundred thirty-four million, nine hundred sixty-five thousand, three hundred forty-seven".