9782638 has 8 divisors (see below), whose sum is σ = 14751360. Its totient is φ = 4865520.

The previous prime is 9782623. The next prime is 9782653. The reversal of 9782638 is 8362879.

9782638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9782623) and next prime (9782653).

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

It is a junction number, because it is equal to n+sod(n) for n = 9782594 and 9782603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12423 + ... + 13186.

It is an arithmetic number, because the mean of its divisors is an integer number (1843920).

Almost surely, 2^9782638 is an apocalyptic number.

9782638 is a deficient number, since it is larger than the sum of its proper divisors (4968722).

9782638 is a wasteful number, since it uses less digits than its factorization.

9782638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25802.

The product of its digits is 145152, while the sum is 43.

The square root of 9782638 is about 3127.7208954764. The cubic root of 9782638 is about 213.8710464255.

The spelling of 9782638 in words is "nine million, seven hundred eighty-two thousand, six hundred thirty-eight".