631424616 has 128 divisors (see below), whose sum is σ = 1692057600. Its totient is φ = 196035840.

The previous prime is 631424581. The next prime is 631424617. The reversal of 631424616 is 616424136.

It is a super-3 number, since 3×631424616³ (a number of 27 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (631424617) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2641825 + ... + 2642063.

It is an arithmetic number, because the mean of its divisors is an integer number (13219200).

Almost surely, 2^631424616 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 631424616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846028800).

631424616 is an abundant number, since it is smaller than the sum of its proper divisors (1060632984).

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

631424616 is a wasteful number, since it uses less digits than its factorization.

631424616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 395 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 631424616 is about 25128.1638008033. The cubic root of 631424616 is about 857.9075758541.

The spelling of 631424616 in words is "six hundred thirty-one million, four hundred twenty-four thousand, six hundred sixteen".