628358436 has 36 divisors (see below), whose sum is σ = 1657411392. Its totient is φ = 200345904.

The previous prime is 628358387. The next prime is 628358447. The reversal of 628358436 is 634853826.

It is a happy number.

628358436 is a `hidden beast` number, since 62 + 8 + 3 + 584 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 628358391 and 628358400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 378616 + ... + 380271.

Almost surely, 2^628358436 is an apocalyptic number.

It is an amenable number.

628358436 is an abundant number, since it is smaller than the sum of its proper divisors (1029052956).

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

628358436 is a wasteful number, since it uses less digits than its factorization.

628358436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758920 (or 758915 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 628358436 is about 25067.0787288826. The cubic root of 628358436 is about 856.5166637354.

The spelling of 628358436 in words is "six hundred twenty-eight million, three hundred fifty-eight thousand, four hundred thirty-six".