634200384 has 28 divisors (see below), whose sum is σ = 1677989024. Its totient is φ = 211400064.

The previous prime is 634200361. The next prime is 634200389. The reversal of 634200384 is 483002436.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634200389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651372 + ... + 1651755.

Almost surely, 2^634200384 is an apocalyptic number.

634200384 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

634200384 is an abundant number, since it is smaller than the sum of its proper divisors (1043788640).

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

634200384 is a wasteful number, since it uses less digits than its factorization.

634200384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303142 (or 3303132 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 634200384 is about 25183.3354423118. The cubic root of 634200384 is about 859.1628702715.

The spelling of 634200384 in words is "six hundred thirty-four million, two hundred thousand, three hundred eighty-four".