628572469 has 16 divisors (see below), whose sum is σ = 724727808. Its totient is φ = 534027312.

The previous prime is 628572457. The next prime is 628572473. The reversal of 628572469 is 964275826.

628572469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 628572469 - 2⁵ = 628572437 is a prime.

It is a super-2 number, since 2×628572469² = 790206697569511922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628570469) 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, 638952 + ... + 639934.

It is an arithmetic number, because the mean of its divisors is an integer number (45295488).

Almost surely, 2^628572469 is an apocalyptic number.

It is an amenable number.

628572469 is a deficient number, since it is larger than the sum of its proper divisors (96155339).

628572469 is a wasteful number, since it uses less digits than its factorization.

628572469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704.

The product of its digits is 1451520, while the sum is 49.

The square root of 628572469 is about 25071.3475704837. The cubic root of 628572469 is about 856.6139023018.

The spelling of 628572469 in words is "six hundred twenty-eight million, five hundred seventy-two thousand, four hundred sixty-nine".