9281630 has 8 divisors (see below), whose sum is σ = 16706952. Its totient is φ = 3712648.

The previous prime is 9281611. The next prime is 9281647. The reversal of 9281630 is 361829.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×9281630² = 172297310913800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9281593 and 9281602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464072 + ... + 464091.

It is an arithmetic number, because the mean of its divisors is an integer number (2088369).

Almost surely, 2^9281630 is an apocalyptic number.

9281630 is a deficient number, since it is larger than the sum of its proper divisors (7425322).

9281630 is a wasteful number, since it uses less digits than its factorization.

9281630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928170.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 9281630 is about 3046.5767674556. The cubic root of 9281630 is about 210.1558178407.

The spelling of 9281630 in words is "nine million, two hundred eighty-one thousand, six hundred thirty".