628960854 has 16 divisors (see below), whose sum is σ = 1291920048. Its totient is φ = 203987232.

The previous prime is 628960853. The next prime is 628960859. The reversal of 628960854 is 458069826.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628960853) by changing a digit.

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, 1416357 + ... + 1416800.

It is an arithmetic number, because the mean of its divisors is an integer number (80745003).

Almost surely, 2^628960854 is an apocalyptic number.

628960854 is an abundant number, since it is smaller than the sum of its proper divisors (662959194).

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

628960854 is a wasteful number, since it uses less digits than its factorization.

628960854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833199.

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 628960854 is about 25079.0919692081. The cubic root of 628960854 is about 856.7902953765.

It can be divided in two parts, 6 and 28960854, that multiplied together give a square (173765124 = 13182²).

The spelling of 628960854 in words is "six hundred twenty-eight million, nine hundred sixty thousand, eight hundred fifty-four".