8749915 has 8 divisors (see below), whose sum is σ = 10535328. Its totient is φ = 6976320.

The previous prime is 8749903. The next prime is 8749921. The reversal of 8749915 is 5199478.

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

It is not a de Polignac number, because 8749915 - 2⁷ = 8749787 is a prime.

It is a super-2 number, since 2×8749915² = 153122025014450, which contains 22 as substring.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 1231 + ... + 4360.

It is an arithmetic number, because the mean of its divisors is an integer number (1316916).

Almost surely, 2^8749915 is an apocalyptic number.

8749915 is a deficient number, since it is larger than the sum of its proper divisors (1785413).

8749915 is a wasteful number, since it uses less digits than its factorization.

8749915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909.

The product of its digits is 90720, while the sum is 43.

The square root of 8749915 is about 2958.0255238926. The cubic root of 8749915 is about 206.0635977326.

The spelling of 8749915 in words is "eight million, seven hundred forty-nine thousand, nine hundred fifteen".