9677638 has 4 divisors (see below), whose sum is σ = 14516460. Its totient is φ = 4838818.

The previous prime is 9677621. The next prime is 9677651. The reversal of 9677638 is 8367769.

9677638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2419408 + ... + 2419411.

It is an arithmetic number, because the mean of its divisors is an integer number (3629115).

Almost surely, 2^9677638 is an apocalyptic number.

9677638 is a deficient number, since it is larger than the sum of its proper divisors (4838822).

9677638 is a wasteful number, since it uses less digits than its factorization.

9677638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4838821.

The product of its digits is 381024, while the sum is 46.

The square root of 9677638 is about 3110.8902262857. The cubic root of 9677638 is about 213.1031115597.

The spelling of 9677638 in words is "nine million, six hundred seventy-seven thousand, six hundred thirty-eight".