105489630 has 24 divisors (see below), whose sum is σ = 274273272. Its totient is φ = 28130544.

The previous prime is 105489611. The next prime is 105489647. The reversal of 105489630 is 36984501.

105489630 is a `hidden beast` number, since 10 + 5 + 4 + 8 + 9 + 630 = 666.

It is a super-2 number, since 2×105489630² = 22256124075073800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 585964 + ... + 586143.

It is an arithmetic number, because the mean of its divisors is an integer number (11428053).

Almost surely, 2^105489630 is an apocalyptic number.

105489630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105489630 is an abundant number, since it is smaller than the sum of its proper divisors (168783642).

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

105489630 is a wasteful number, since it uses less digits than its factorization.

105489630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172120 (or 1172117 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 105489630 is about 10270.8144759800. The cubic root of 105489630 is about 472.5015704995.

The spelling of 105489630 in words is "one hundred five million, four hundred eighty-nine thousand, six hundred thirty".