628337830 has 32 divisors (see below), whose sum is σ = 1157898240. Its totient is φ = 245386080.

The previous prime is 628337807. The next prime is 628337837. The reversal of 628337830 is 38733826.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628337837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223735 + ... + 226525.

It is an arithmetic number, because the mean of its divisors is an integer number (36184320).

Almost surely, 2^628337830 is an apocalyptic number.

628337830 is a deficient number, since it is larger than the sum of its proper divisors (529560410).

628337830 is a wasteful number, since it uses less digits than its factorization.

628337830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 628337830 is about 25066.6677083333. The cubic root of 628337830 is about 856.5073009396.

The spelling of 628337830 in words is "six hundred twenty-eight million, three hundred thirty-seven thousand, eight hundred thirty".