628235088 has 160 divisors (see below), whose sum is σ = 1845215232. Its totient is φ = 182822400.

The previous prime is 628235077. The next prime is 628235093. The reversal of 628235088 is 880532826.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 908823 + ... + 909513.

Almost surely, 2^628235088 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 628235088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (922607616).

628235088 is an abundant number, since it is smaller than the sum of its proper divisors (1216980144).

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

628235088 is a wasteful number, since it uses less digits than its factorization.

628235088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 628235088 is about 25064.6182496363. The cubic root of 628235088 is about 856.4606147644.

The spelling of 628235088 in words is "six hundred twenty-eight million, two hundred thirty-five thousand, eighty-eight".