8749929 has 16 divisors (see below), whose sum is σ = 12016512. Its totient is φ = 5660928.

The previous prime is 8749927. The next prime is 8749981. The reversal of 8749929 is 9299478.

It is a happy number.

It is not a de Polignac number, because 8749929 - 2¹ = 8749927 is a prime.

It is a super-2 number, since 2×8749929² = 153122515010082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8749921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17724 + ... + 18210.

It is an arithmetic number, because the mean of its divisors is an integer number (751032).

Almost surely, 2^8749929 is an apocalyptic number.

It is an amenable number.

8749929 is a deficient number, since it is larger than the sum of its proper divisors (3266583).

8749929 is a wasteful number, since it uses less digits than its factorization.

8749929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656.

The product of its digits is 326592, while the sum is 48.

The square root of 8749929 is about 2958.0278903350. The cubic root of 8749929 is about 206.0637076341.

The spelling of 8749929 in words is "eight million, seven hundred forty-nine thousand, nine hundred twenty-nine".