631214304 has 96 divisors (see below), whose sum is σ = 1901039616. Its totient is φ = 179642880.

The previous prime is 631214299. The next prime is 631214321. The reversal of 631214304 is 403412136.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184449 + ... + 187839.

It is an arithmetic number, because the mean of its divisors is an integer number (19802496).

Almost surely, 2^631214304 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 631214304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (950519808).

631214304 is an abundant number, since it is smaller than the sum of its proper divisors (1269825312).

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

631214304 is a wasteful number, since it uses less digits than its factorization.

631214304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3688 (or 3680 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 631214304 is about 25123.9786658085. The cubic root of 631214304 is about 857.8123159770.

The spelling of 631214304 in words is "six hundred thirty-one million, two hundred fourteen thousand, three hundred four".