489625786 has 24 divisors (see below), whose sum is σ = 797148000. Its totient is φ = 225450576.

The previous prime is 489625783. The next prime is 489625793. The reversal of 489625786 is 687526984.

It is a super-2 number, since 2×489625786² = 479466820632235592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (489625783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167211 + ... + 170113.

It is an arithmetic number, because the mean of its divisors is an integer number (33214500).

Almost surely, 2^489625786 is an apocalyptic number.

489625786 is a deficient number, since it is larger than the sum of its proper divisors (307522214).

489625786 is a wasteful number, since it uses less digits than its factorization.

489625786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430 (or 3417 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 55.

The square root of 489625786 is about 22127.4893740795. The cubic root of 489625786 is about 788.1727710442.

The spelling of 489625786 in words is "four hundred eighty-nine million, six hundred twenty-five thousand, seven hundred eighty-six".