628173469 has 8 divisors (see below), whose sum is σ = 783177408. Its totient is φ = 489485760.

The previous prime is 628173467. The next prime is 628173509. The reversal of 628173469 is 964371826.

628173469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 628173469 - 2¹ = 628173467 is a prime.

It is a super-2 number, since 2×628173469² = 789203814310987922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628173467) 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, 4078972 + ... + 4079125.

It is an arithmetic number, because the mean of its divisors is an integer number (97897176).

Almost surely, 2^628173469 is an apocalyptic number.

It is an amenable number.

628173469 is a deficient number, since it is larger than the sum of its proper divisors (155003939).

628173469 is a wasteful number, since it uses less digits than its factorization.

628173469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8158115.

The product of its digits is 435456, while the sum is 46.

The square root of 628173469 is about 25063.3890166514. The cubic root of 628173469 is about 856.4326125228.

The spelling of 628173469 in words is "six hundred twenty-eight million, one hundred seventy-three thousand, four hundred sixty-nine".