628094250 has 288 divisors, whose sum is σ = 2058533568. Its totient is φ = 142884000.

The previous prime is 628094231. The next prime is 628094321. The reversal of 628094250 is 52490826.

It is a happy number.

628094250 is a `hidden beast` number, since 628 + 0 + 9 + 4 + 25 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2976645 + ... + 2976855.

It is an arithmetic number, because the mean of its divisors is an integer number (7147686).

Almost surely, 2^628094250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 628094250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029266784).

628094250 is an abundant number, since it is smaller than the sum of its proper divisors (1430439318).

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

628094250 is a wasteful number, since it uses less digits than its factorization.

628094250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 628094250 is about 25061.8085939543. The cubic root of 628094250 is about 856.3966094172.

The spelling of 628094250 in words is "six hundred twenty-eight million, ninety-four thousand, two hundred fifty".