628480296 has 40 divisors (see below), whose sum is σ = 1760328570. Its totient is φ = 209493216.

The previous prime is 628480291. The next prime is 628480297. The reversal of 628480296 is 692084826.

628480296 is a `hidden beast` number, since 6 + 284 + 80 + 296 = 666.

628480296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 525051396 + 103428900 = 22914^2 + 10170^2 .

It is not an unprimeable number, because it can be changed into a prime (628480291) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 484291 + ... + 485586.

Almost surely, 2^628480296 is an apocalyptic number.

It is an amenable number.

628480296 is an abundant number, since it is smaller than the sum of its proper divisors (1131848274).

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

628480296 is a wasteful number, since it uses less digits than its factorization.

628480296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969895 (or 969882 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 628480296 is about 25069.5092891744. The cubic root of 628480296 is about 856.5720293612.

The spelling of 628480296 in words is "six hundred twenty-eight million, four hundred eighty thousand, two hundred ninety-six".