501628 has 6 divisors (see below), whose sum is σ = 877856. Its totient is φ = 250812.

The previous prime is 501623. The next prime is 501637. The reversal of 501628 is 826105.

It is a happy number.

It is a zygodrome in base 3.

It is a junction number, because it is equal to n+sod(n) for n = 501599 and 501608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501623) by changing a digit.

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 as a sum of consecutive naturals, namely, 62700 + ... + 62707.

2⁵⁰¹⁶²⁸ is an apocalyptic number.

It is an amenable number.

501628 is a deficient number, since it is larger than the sum of its proper divisors (376228).

501628 is a wasteful number, since it uses less digits than its factorization.

501628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125411 (or 125409 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 501628 is about 708.2570154965. The cubic root of 501628 is about 79.4561022371.

The spelling of 501628 in words is "five hundred one thousand, six hundred twenty-eight".