8748149 has 8 divisors (see below), whose sum is σ = 9302040. Its totient is φ = 8198656.

The previous prime is 8748143. The next prime is 8748161. The reversal of 8748149 is 9418478.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1909924 + 6838225 = 1382^2 + 2615^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8748149 is a prime.

It is a super-2 number, since 2×8748149² = 153060221852402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8748143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3617 + ... + 5529.

It is an arithmetic number, because the mean of its divisors is an integer number (1162755).

Almost surely, 2^8748149 is an apocalyptic number.

It is an amenable number.

8748149 is a deficient number, since it is larger than the sum of its proper divisors (553891).

8748149 is a wasteful number, since it uses less digits than its factorization.

8748149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199.

The product of its digits is 64512, while the sum is 41.

The square root of 8748149 is about 2957.7269988963. The cubic root of 8748149 is about 206.0497334912.

The spelling of 8748149 in words is "eight million, seven hundred forty-eight thousand, one hundred forty-nine".