8955638 has 4 divisors (see below), whose sum is σ = 13433460. Its totient is φ = 4477818.

The previous prime is 8955637. The next prime is 8955643. The reversal of 8955638 is 8365598.

8955638 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 not an unprimeable number, because it can be changed into a prime (8955637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2238908 + ... + 2238911.

It is an arithmetic number, because the mean of its divisors is an integer number (3358365).

Almost surely, 2^8955638 is an apocalyptic number.

8955638 is a deficient number, since it is larger than the sum of its proper divisors (4477822).

8955638 is a wasteful number, since it uses less digits than its factorization.

8955638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477821.

The product of its digits is 259200, while the sum is 44.

The square root of 8955638 is about 2992.5971997581. The cubic root of 8955638 is about 207.6660537529. Note that the first 3 decimals are identical.

The spelling of 8955638 in words is "eight million, nine hundred fifty-five thousand, six hundred thirty-eight".