634604224 has 56 divisors (see below), whose sum is σ = 1356530688. Its totient is φ = 293694720.

The previous prime is 634604219. The next prime is 634604231. The reversal of 634604224 is 422406436.

It is a super-2 number, since 2×634604224² = 805445042237284352, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

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 7 ways as a sum of consecutive naturals, for example, 38679 + ... + 52585.

Almost surely, 2^634604224 is an apocalyptic number.

634604224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634604224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678265344).

634604224 is an abundant number, since it is smaller than the sum of its proper divisors (721926464).

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

634604224 is a wasteful number, since it uses less digits than its factorization.

634604224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13973 (or 13963 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 634604224 is about 25191.3521669640. The cubic root of 634604224 is about 859.3451947243.

The spelling of 634604224 in words is "six hundred thirty-four million, six hundred four thousand, two hundred twenty-four".