501206628 has 24 divisors (see below), whose sum is σ = 1259442688. Its totient is φ = 154217376.

The previous prime is 501206627. The next prime is 501206633. The reversal of 501206628 is 826602105.

It is a super-2 number, since 2×501206628² = 502416167902260768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501206595 and 501206604.

It is not an unprimeable number, because it can be changed into a prime (501206627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606276 + ... + 1606587.

Almost surely, 2^501206628 is an apocalyptic number.

It is an amenable number.

501206628 is an abundant number, since it is smaller than the sum of its proper divisors (758236060).

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

501206628 is a wasteful number, since it uses less digits than its factorization.

501206628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212883 (or 3212881 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 501206628 is about 22387.6445388969. The cubic root of 501206628 is about 794.3384805952.

The spelling of 501206628 in words is "five hundred one million, two hundred six thousand, six hundred twenty-eight".