8749918 has 12 divisors (see below), whose sum is σ = 13853160. Its totient is φ = 4144356.

The previous prime is 8749903. The next prime is 8749921. The reversal of 8749918 is 8199478.

It is a happy number.

It is a super-2 number, since 2×8749918² = 153122130013448, which contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 5338 + ... + 6781.

It is an arithmetic number, because the mean of its divisors is an integer number (1154430).

Almost surely, 2^8749918 is an apocalyptic number.

8749918 is a deficient number, since it is larger than the sum of its proper divisors (5103242).

8749918 is a wasteful number, since it uses less digits than its factorization.

8749918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12159 (or 12140 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The square root of 8749918 is about 2958.0260309876. The cubic root of 8749918 is about 206.0636212829.

It can be divided in two parts, 87 and 49918, that added together give a palindrome (50005).

The spelling of 8749918 in words is "eight million, seven hundred forty-nine thousand, nine hundred eighteen".