634426268 has 24 divisors (see below), whose sum is σ = 1269388512. Its totient is φ = 271782144.

The previous prime is 634426249. The next prime is 634426297. The reversal of 634426268 is 862624436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117680 + ... + 122952.

It is an arithmetic number, because the mean of its divisors is an integer number (52891188).

Almost surely, 2^634426268 is an apocalyptic number.

It is an amenable number.

634426268 is an abundant number, since it is smaller than the sum of its proper divisors (634962244).

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

634426268 is a wasteful number, since it uses less digits than its factorization.

634426268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9581 (or 9579 counting only the distinct ones).

The product of its digits is 331776, while the sum is 41.

The square root of 634426268 is about 25187.8198341976. The cubic root of 634426268 is about 859.2648612270.

The spelling of 634426268 in words is "six hundred thirty-four million, four hundred twenty-six thousand, two hundred sixty-eight".