634060400 has 90 divisors (see below), whose sum is σ = 1608091272. Its totient is φ = 240220800.

The previous prime is 634060369. The next prime is 634060417. The reversal of 634060400 is 4060436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 142205 + ... + 146595.

Almost surely, 2^634060400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634060400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (804045636).

634060400 is an abundant number, since it is smaller than the sum of its proper divisors (974030872).

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

634060400 is a wasteful number, since it uses less digits than its factorization.

634060400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447 (or 4417 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 634060400 is about 25180.5559906846. Note that the first 3 decimals coincide. The cubic root of 634060400 is about 859.0996526575.

The spelling of 634060400 in words is "six hundred thirty-four million, sixty thousand, four hundred".