497628 has 36 divisors (see below), whose sum is σ = 1314768. Its totient is φ = 158400.

The previous prime is 497603. The next prime is 497633. The reversal of 497628 is 826794.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 497592 and 497601.

It is a congruent number.

It is an unprimeable number.

497628 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 528 + ... + 1128.

2⁴⁹⁷⁶²⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657384).

497628 is an abundant number, since it is smaller than the sum of its proper divisors (817140).

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

497628 is a wasteful number, since it uses less digits than its factorization.

497628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634 (or 629 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 497628 is about 705.4275299419. The cubic root of 497628 is about 79.2443430899.

It can be divided in two parts, 49762 and 8, that added together give a triangular number (49770 = T₃₁₅).

The spelling of 497628 in words is "four hundred ninety-seven thousand, six hundred twenty-eight".