8861938 has 4 divisors (see below), whose sum is σ = 13292910. Its totient is φ = 4430968.

The previous prime is 8861929. The next prime is 8861987. The reversal of 8861938 is 8391688.

It is a happy number.

8861938 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 can be written as a sum of positive squares in only one way, i.e., 7414729 + 1447209 = 2723^2 + 1203^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8861894 and 8861903.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215483 + ... + 2215486.

Almost surely, 2^8861938 is an apocalyptic number.

8861938 is a deficient number, since it is larger than the sum of its proper divisors (4430972).

8861938 is a wasteful number, since it uses less digits than its factorization.

8861938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4430971.

The product of its digits is 82944, while the sum is 43.

The square root of 8861938 is about 2976.9007373441. The cubic root of 8861938 is about 206.9392650900.

It can be divided in two parts, 88 and 61938, that added together give a palindrome (62026).

The spelling of 8861938 in words is "eight million, eight hundred sixty-one thousand, nine hundred thirty-eight".