9650638 has 8 divisors (see below), whose sum is σ = 14517360. Its totient is φ = 4811520.

The previous prime is 9650623. The next prime is 9650647. The reversal of 9650638 is 8360569.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9650597 and 9650606.

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, 6003 + ... + 7438.

It is an arithmetic number, because the mean of its divisors is an integer number (1814670).

Almost surely, 2^9650638 is an apocalyptic number.

9650638 is a deficient number, since it is larger than the sum of its proper divisors (4866722).

9650638 is a wasteful number, since it uses less digits than its factorization.

9650638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13802.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 9650638 is about 3106.5476014380. The cubic root of 9650638 is about 212.9047455528.

The spelling of 9650638 in words is "nine million, six hundred fifty thousand, six hundred thirty-eight".