628614207 has 12 divisors (see below), whose sum is σ = 977844504. Its totient is φ = 386839440.

The previous prime is 628614131. The next prime is 628614241. The reversal of 628614207 is 702416826.

628614207 is a `hidden beast` number, since 628 + 6 + 1 + 4 + 20 + 7 = 666.

It is not a de Polignac number, because 628614207 - 2¹⁹ = 628089919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628614247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2686269 + ... + 2686502.

It is an arithmetic number, because the mean of its divisors is an integer number (81487042).

Almost surely, 2^628614207 is an apocalyptic number.

628614207 is a deficient number, since it is larger than the sum of its proper divisors (349230297).

628614207 is a wasteful number, since it uses less digits than its factorization.

628614207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372790 (or 5372787 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 628614207 is about 25072.1799411220. The cubic root of 628614207 is about 856.6328619612.

The spelling of 628614207 in words is "six hundred twenty-eight million, six hundred fourteen thousand, two hundred seven".