631734948 has 144 divisors (see below), whose sum is σ = 1772184960. Its totient is φ = 188554752.

The previous prime is 631734911. The next prime is 631734967. The reversal of 631734948 is 849437136.

631734948 is a `hidden beast` number, since 631 + 7 + 3 + 4 + 9 + 4 + 8 = 666.

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 47 ways as a sum of consecutive naturals, for example, 3782761 + ... + 3782927.

It is an arithmetic number, because the mean of its divisors is an integer number (12306840).

Almost surely, 2^631734948 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 631734948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886092480).

631734948 is an abundant number, since it is smaller than the sum of its proper divisors (1140450012).

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

631734948 is a wasteful number, since it uses less digits than its factorization.

631734948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 381 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 631734948 is about 25134.3380258960. The cubic root of 631734948 is about 858.0481007151.

It can be divided in two parts, 63173 and 4948, that added together give a square (68121 = 261²).

The spelling of 631734948 in words is "six hundred thirty-one million, seven hundred thirty-four thousand, nine hundred forty-eight".