628132854 has 16 divisors (see below), whose sum is σ = 1256514048. Its totient is φ = 209336232.

The previous prime is 628132853. The next prime is 628132867. The reversal of 628132854 is 458231826.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628132853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46899 + ... + 58785.

It is an arithmetic number, because the mean of its divisors is an integer number (78532128).

Almost surely, 2^628132854 is an apocalyptic number.

628132854 is an abundant number, since it is smaller than the sum of its proper divisors (628381194).

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

628132854 is a wasteful number, since it uses less digits than its factorization.

628132854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20699.

The product of its digits is 92160, while the sum is 39.

The square root of 628132854 is about 25062.5787579810. The cubic root of 628132854 is about 856.4141543729.

The spelling of 628132854 in words is "six hundred twenty-eight million, one hundred thirty-two thousand, eight hundred fifty-four".