628473 has 8 divisors (see below), whose sum is σ = 887328. Its totient is φ = 394304.

The previous prime is 628447. The next prime is 628477. The reversal of 628473 is 374826.

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 628473 - 2⁸ = 628217 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 628473.

It is not an unprimeable number, because it can be changed into a prime (628477) 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, 6111 + ... + 6212.

It is an arithmetic number, because the mean of its divisors is an integer number (110916).

2⁶²⁸⁴⁷³ is an apocalyptic number.

It is an amenable number.

628473 is a deficient number, since it is larger than the sum of its proper divisors (258855).

628473 is a wasteful number, since it uses less digits than its factorization.

628473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12343.

The product of its digits is 8064, while the sum is 30.

The square root of 628473 is about 792.7628901506. The cubic root of 628473 is about 85.6568714713.

The spelling of 628473 in words is "six hundred twenty-eight thousand, four hundred seventy-three".