628229376 has 216 divisors, whose sum is σ = 1938693120. Its totient is φ = 195084288.

The previous prime is 628229363. The next prime is 628229387. The reversal of 628229376 is 673922826.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4946625 + ... + 4946751.

Almost surely, 2^628229376 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 628229376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (969346560).

628229376 is an abundant number, since it is smaller than the sum of its proper divisors (1310463744).

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

628229376 is a wasteful number, since it uses less digits than its factorization.

628229376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 264 counting only the distinct ones).

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

The square root of 628229376 is about 25064.5043038956. The cubic root of 628229376 is about 856.4580190706.

The spelling of 628229376 in words is "six hundred twenty-eight million, two hundred twenty-nine thousand, three hundred seventy-six".