634343436 has 36 divisors (see below), whose sum is σ = 1622805912. Its totient is φ = 208899264.

The previous prime is 634343393. The next prime is 634343441.

634343436 is nontrivially palindromic in base 10.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 634343436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103161 + ... + 109136.

It is an arithmetic number, because the mean of its divisors is an integer number (45077942).

Almost surely, 2^634343436 is an apocalyptic number.

It is an amenable number.

634343436 is an abundant number, since it is smaller than the sum of its proper divisors (988462476).

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

634343436 is a wasteful number, since it uses less digits than its factorization.

634343436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212390 (or 212385 counting only the distinct ones).

The product of its digits is 186624, while the sum is 36.

The square root of 634343436 is about 25186.1754937108. The cubic root of 634343436 is about 859.2274638028.

The spelling of 634343436 in words is "six hundred thirty-four million, three hundred forty-three thousand, four hundred thirty-six".