628820362 has 8 divisors (see below), whose sum is σ = 966236292. Its totient is φ = 306741600.

The previous prime is 628820341. The next prime is 628820389. The reversal of 628820362 is 263028826.

It can be written as a sum of positive squares in 2 ways, for example, as 601769961 + 27050401 = 24531^2 + 5201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×628820362² = 790830095331622088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3834189 + ... + 3834352.

Almost surely, 2^628820362 is an apocalyptic number.

628820362 is a deficient number, since it is larger than the sum of its proper divisors (337415930).

628820362 is a wasteful number, since it uses less digits than its factorization.

628820362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7668584.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 628820362 is about 25076.2908341724. The cubic root of 628820362 is about 856.7264964161.

The spelling of 628820362 in words is "six hundred twenty-eight million, eight hundred twenty thousand, three hundred sixty-two".