628352436 has 24 divisors (see below), whose sum is σ = 1552400640. Its totient is φ = 197130112.

The previous prime is 628352383. The next prime is 628352441. The reversal of 628352436 is 634253826.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 628352394 and 628352403.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1539876 + ... + 1540283.

It is an arithmetic number, because the mean of its divisors is an integer number (64683360).

Almost surely, 2^628352436 is an apocalyptic number.

It is an amenable number.

628352436 is an abundant number, since it is smaller than the sum of its proper divisors (924048204).

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

628352436 is a wasteful number, since it uses less digits than its factorization.

628352436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3080183 (or 3080181 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 628352436 is about 25066.9590497132. The cubic root of 628352436 is about 856.5139375227.

The spelling of 628352436 in words is "six hundred twenty-eight million, three hundred fifty-two thousand, four hundred thirty-six".